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Full vulnerability report · 2026
CVE-2026-49364High confidence

Apache Artemis, Apache Artemis, Apache ActiveMQ Artemis, Apache ActiveMQ Artemis: Pre-Authentication Cluster Credential Exposure to Discovered Peers

Apache Software Foundation · Apache Artemis

9.1CriticalCVSS 3.1
Recommended action
Within 72 hours

Critical technical impact with a remotely reachable, unauthenticated path; no CISA KEV confirmation is currently recorded.

Patch available
R
Operational reassessment

Published severity in operational context

Open reassessment dashboard →
Published severityCriticalOperational priority:Critical, unchanged from published severity.unchanged

Evidence used

  • No CISA KEV confirmation is currently recorded.
  • The selected CVSS metric records a network-reachable, unauthenticated path with no user interaction.
  • EPSS is 0.57% for the current model date.

Compensating controls

  • Validate the affected product branch and deploy the verified fixed release.
  • Restrict the affected network interface to trusted sources where business-safe.
  • Monitor vendor guidance and exploitation sources for a material change.

Verification

  1. Confirm that the asset runs Apache Software Foundation Apache Artemis and falls inside the recorded affected range.
  2. Verify the installed build against the product-specific fixed version after deployment.
  3. Validate exposure, authentication requirements and compensating controls in the actual environment.
  4. Reopen this reassessment when CVSS, KEV, EPSS, exploit evidence or remediation changes.
Mitigation target: Within 3 daysRemediation target: Within 90 days

This automated reassessment organises public evidence. It does not know asset exposure, business impact or control effectiveness and does not replace CVSS or a human risk decision.

Direct vendor intelligence

Authoritative vendor CSAF and VEX advisories

Structured product status and remediation from the issuing vendor. Product-state explanations are always visible; large lists can be searched or downloaded.

1 current
CVE-2026-49364 · CSAF 2.0 · revision 3 · finalRed Hat Product Securitywildfly-messaging-activemq-subsystem: artemis-server: jgroups: artemis cluster password leak via jgroups spoof
561 fixed

The vendor explicitly identifies these products or versions as containing the fix.

  • eap8-activemq-artemis-0:2.40.0-8.redhat_00024.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10
  • eap8-activemq-artemis-0:2.40.0-8.redhat_00024.1.el10eap.src as a component of Red Hat JBoss EAP 8.1 for RHEL 10
  • eap8-activemq-artemis-cli-0:2.40.0-8.redhat_00024.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10
  • eap8-activemq-artemis-commons-0:2.40.0-8.redhat_00024.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10
  • eap8-activemq-artemis-core-client-0:2.40.0-8.redhat_00024.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10
  • eap8-activemq-artemis-dto-0:2.40.0-8.redhat_00024.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10
  • eap8-activemq-artemis-hornetq-protocol-0:2.40.0-8.redhat_00024.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10
  • eap8-activemq-artemis-hqclient-protocol-0:2.40.0-8.redhat_00024.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10
  • eap8-activemq-artemis-jakarta-client-0:2.40.0-8.redhat_00024.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10
  • eap8-activemq-artemis-jakarta-ra-0:2.40.0-8.redhat_00024.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10
  • eap8-activemq-artemis-jakarta-server-0:2.40.0-8.redhat_00024.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10
  • eap8-activemq-artemis-jakarta-service-extensions-0:2.40.0-8.redhat_00024.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10
Summary
Artemis and JGroups lack of access controls in certain situations can allow an attacker to spoof a password request in JGroups and subsequently gain access to the cluster. This allows the attacker manage-level authority for provided messaging and queue operations.
Remediation
Before applying the update, make sure all previously released errata relevant to your system have been applied. Also, back up your existing installation, including all applications, configuration files, databases and database settings. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
Optional official sources

National CERT insights
?CERT means Computer Emergency Response Team; CSIRT is the closely related term Computer Security Incident Response Team.

Choose official national sources for this report. Each advisory shows its original language. Your selection is remembered on this device and included in shared links.

Official European source

ENISA European Vulnerability Database

Official EUVD identifiers, advisory evidence and known-exploited context. Missing fields are not treated as evidence of low risk.

1 current
ENISA EUVD identifier

EUVD-2026-75248

No EUVD known-exploited evidence

An unauthenticated network-adjacent attacker can leverage discovery to capture cluster administrative credentials during the initial cluster connection handshake. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0. Users are recommended to upgrade to version 2.57.0, which fixes the issue.

EUVD state
Present in the current official mapping
Known exploitation
Not present in the current ENISA EUVD known-exploited dataset. This is not proof of no exploitation.
ENISA score
9.1 · CVSS 3.1
Advisory evidence
No linked advisory details stored yet
Recommended actionWithin 72 hours

Critical technical impact with a remotely reachable, unauthenticated path; no CISA KEV confirmation is currently recorded.

Patch available
01

What, why and how

An unauthenticated network-adjacent attacker can leverage discovery to capture cluster administrative credentials during the initial cluster connection handshake. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0. Users are recommended to upgrade to version 2.57.0, which fixes the issue.

What

An unauthenticated network-adjacent attacker can leverage discovery to capture cluster administrative credentials during the initial cluster connection handshake. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0. Users are recommended to upgrade to version 2.57.0, which fixes the issue.

Why

A security-sensitive function is reachable without the authentication check that should protect it.

How

An attacker operating through a network path may attempt exploitation without authentication or user interaction. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

What

An unauthenticated network-adjacent attacker can leverage discovery to capture cluster administrative credentials during the initial cluster connection handshake. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0. Users are recommended to upgrade to version 2.57.0, which fixes the issue.

Why

A security-sensitive function is reachable without the authentication check that should protect it.

How

An attacker operating through a network path may attempt exploitation without authentication or user interaction. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

02

Exploit reality and attack path

CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.

Observed exploitation
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
No confirmed evidence

No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.

Public PoC / exploit material
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
None recorded

No exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.

Likely attack path
a network path → Missing Authentication for Critical Function → cause the confidentiality, integrity or availability impact described by the vendor
Attack surface
Network
Privileges required
None: unauthenticated exploitation is possible
User interaction
None
Attack complexity
Low: no specialised conditions are recorded
Security boundary
Unchanged: impact remains within the vulnerable component's security authority
Weakness
?CWE means Common Weakness Enumeration: a standard category for the underlying weakness.
CWE-306 ↗

CWE-306: Missing Authentication for Critical Function. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

CVSS vector
?CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Common Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.

AVNetworkAttack vector: The vulnerable component can be reached over a network.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRNonePrivileges required: The attacker does not need an account or existing privileges.UINoneUser interaction: No action by another user is required.SUnchangedScope: The security impact remains within the vulnerable component's authority.CHighConfidentiality impact: A successful attack can cause a major loss.IHighIntegrity impact: A successful attack can cause a major loss.ANoneAvailability impact: No direct loss is represented by this metric.
Post-exploitation / living off the land
Stolen credentials, tokens and legitimate administration functions may provide continued access without deploying a large custom toolset.
NetworkUnauthenticatedCWE-306
A

Official authority intelligence

Only matched European and national findings are included. Language selectors and unavailable sources are omitted.

ENISA EUVD · EUVD-2026-75248Official EUVD mapping

An unauthenticated network-adjacent attacker can leverage discovery to capture cluster administrative credentials during the initial cluster connection handshake. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0. Users are recommended to upgrade to version 2.57.0, which fixes the issue.

Official EUVD record ↗
BSI · German · WID-SEC-2026-3289Apache ActiveMQ Artemis: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in Apache ActiveMQ Artemis ausnutzen, um Sicherheitsvorkehrungen zu umgehen, authentifizierte Sitzungen zu kapern, Daten zu manipulieren oder offenzulegen oder Denial-of-Service-Zustände herbeizuführen.

Official advisory ↗
Cyber Security Agency of Singapore · English · CSA-SB-20260916Security Bulletin 16 Sep 2026

The Cyber Security Agency of Singapore included this CVE in its official Security Bulletin 16 Sep 2026, published on 16 September 2026. Open the linked bulletin for the product, severity and reference information published in that issue.

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2026-033652Apache Software FoundationのApache Artemisにおける重要な機能に対する認証の欠如に関する脆弱性

認証されていないネットワーク隣接の攻撃者が、クラスタの初回接続ハンドシェイク中にディスカバリ機能を悪用し、クラスタ管理者の資格情報を取得する可能性があります。この問題は、Apache Artemisのバージョン2.50.0から2.56.0まで、およびApache ActiveMQ Artemisのバージョン1.0.0から2.44.0までに影響を与えます。ユーザーは、この問題を修正したバージョン2.57.0にアップグレードすることを推奨します。

Official advisory ↗
03

Patch and workaround

Operational remediation based on structured source evidence.

Status
?Patch availability is based on structured fixed-version fields and authoritative update references. If no fix is verified, check the vendor advisory before making a change.
Patch available
Affected
Fixed
Action
Before applying the update, make sure all previously released errata relevant to your system have been applied. Also, back up your existing installation, including all applications, configuration files, databases and database settings. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
Workaround
No verified workaround is recorded. If business-safe, reduce exposure to the affected interface and allow only trusted sources until authoritative guidance is available.
04

Evidence and provenance

Published 10 Sept 2026 · Last source change 10 Sept 2026, 15:54 UTC · CWE-306 · Missing Authentication for Critical Function

CVE recordCVE.org · 5.2
CVSS sourceCISA ADP
EPSS source
?The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.
FIRST · tracked since 2026-09-10
European sourceENISA EUVD · EUVD-2026-75248
Product sourceCNA
Remediation sourceVendor CSAF · Red Hat Product Security
CWE sourceCNA
NVD statusNVD enriched

Core structured fields are present and their contributing authorities are shown above.

Material change intelligence

What changed after publication

View recent updates ↗
  1. Affected versionsThe structured affected or fixed version information changed.
    Before
    artemis-server as a component of Red Hat JBoss Enterprise Application Platform 8; jgroups as a component of Red Hat JBoss Enterprise Application Platform 8; wildfly-messaging-activemq-subsystem as a component of Red Hat JBoss Enterprise Application Platform 8 · Fixed: eap7-activemq-artemis-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-0:2.16.0-23.redhat_00058.1.el7eap.src as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-cli-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-commons-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-core-client-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-dto-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-hornetq-protocol-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-hqclient-protocol-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-jdbc-store-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-jms-client-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-jms-server-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-journal-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-ra-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-selector-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-server-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-service-extensions-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-tools-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-jackson-annotations-0:2.18.9-1.redhat_00003.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-jackson-annotations-0:2.18.9-1.redhat_00003.1.el7eap.src as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-jackson-core-0:2.18.9-1.redhat_00003.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-jackson-core-0:2.18.9-1.redhat_00003.1.el7eap.src as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-jackson-databind-0:2.18.9-1.redhat_00003.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-jackson-databind-0:2.18.9-1.redhat_00003.1.el7eap.src as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-jackson-datatype-jdk8-0:2.18.9-1.redhat_00003.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-jackson-datatype-jsr310-0:2.18.9-1.redhat_00003.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-jackson-jaxrs-base-0:2.18.9-1.redhat_00003.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-jackson-jaxrs-json-provider-0:2.18.9-1.redhat_00003.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-jackson-jaxrs-providers-0:2.18.9-1.redhat_00003.1.el7eap.src as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-jackson-module-jaxb-annotations-0:2.18.9-1.redhat_00003.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-jackson-modules-base-0:2.18.9-1.redhat_00003.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; and 88 more
    After
    Fixed: eap8-activemq-artemis-0:2.40.0-8.redhat_00024.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-activemq-artemis-0:2.40.0-8.redhat_00024.1.el10eap.src as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-activemq-artemis-cli-0:2.40.0-8.redhat_00024.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-activemq-artemis-commons-0:2.40.0-8.redhat_00024.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-activemq-artemis-core-client-0:2.40.0-8.redhat_00024.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-activemq-artemis-dto-0:2.40.0-8.redhat_00024.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-activemq-artemis-hornetq-protocol-0:2.40.0-8.redhat_00024.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-activemq-artemis-hqclient-protocol-0:2.40.0-8.redhat_00024.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-activemq-artemis-jakarta-client-0:2.40.0-8.redhat_00024.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-activemq-artemis-jakarta-ra-0:2.40.0-8.redhat_00024.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-activemq-artemis-jakarta-server-0:2.40.0-8.redhat_00024.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-activemq-artemis-jakarta-service-extensions-0:2.40.0-8.redhat_00024.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-activemq-artemis-jdbc-store-0:2.40.0-8.redhat_00024.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-activemq-artemis-journal-0:2.40.0-8.redhat_00024.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-activemq-artemis-selector-0:2.40.0-8.redhat_00024.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-activemq-artemis-server-0:2.40.0-8.redhat_00024.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-apache-cxf-0:4.1.7-1.SP1_redhat_00001.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-apache-cxf-0:4.1.7-1.SP1_redhat_00001.1.el10eap.src as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-apache-cxf-rt-0:4.1.7-1.SP1_redhat_00001.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-apache-cxf-services-0:4.1.7-1.SP1_redhat_00001.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-apache-cxf-tools-0:4.1.7-1.SP1_redhat_00001.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-artemis-wildfly-integration-0:2.0.5-1.Final_redhat_00001.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-artemis-wildfly-integration-0:2.0.5-1.Final_redhat_00001.1.el10eap.src as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-bouncycastle-0:1.85.0-1.redhat_00001.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-bouncycastle-0:1.85.0-1.redhat_00001.1.el10eap.src as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-bouncycastle-jmail-0:1.85.0-1.redhat_00001.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-bouncycastle-pg-0:1.85.0-1.redhat_00001.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-bouncycastle-pkix-0:1.85.0-1.redhat_00001.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-bouncycastle-prov-0:1.85.0-1.redhat_00001.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10; eap8-bouncycastle-util-0:1.85.0-1.redhat_00001.1.el10eap.noarch as a component of Red Hat JBoss EAP 8.1 for RHEL 10; and 531 more
    Red Hat Product Security ↗
  2. Affected versionsThe structured affected or fixed version information changed.
    Before
    Apache Artemis: 2.50.0 ≤ 2.56.0; Apache ActiveMQ Artemis: 1.0.0 ≤ 2.44.0 · Fixed: No fixed version is explicitly recorded in the structured CVE data.
    After
    Apache Artemis: 2.50.0 ≤ 2.56.0; Apache ActiveMQ Artemis: 1.0.0 ≤ 2.44.0 · Fixed: Before applying the update, make sure all previously released errata relevant to your system have been applied. Also, back up your existing installation, including all applications, configuration files, databases and database settings. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
    Red Hat Product Security ↗
  3. Remediation statusRemediation status changed from Awaiting fix to Patch available.
    Before
    Awaiting fix
    After
    Patch available
    Red Hat Product Security ↗
  4. Vendor guidanceAuthoritative vendor guidance changed from remediation: access.redhat.com/CVE-2026-49364 to remediation: access.redhat.com/CVE-2026-49364.
    Before
    remediation: access.redhat.com/CVE-2026-49364
    After
    remediation: access.redhat.com/CVE-2026-49364
    Red Hat Product Security ↗
  5. Affected versionsThe structured affected or fixed version information changed.
    Before
    artemis-server as a component of Red Hat JBoss Enterprise Application Platform 7; jgroups as a component of Red Hat JBoss Enterprise Application Platform 7; wildfly-messaging-activemq-subsystem as a component of Red Hat JBoss Enterprise Application Platform 7; artemis-server as a component of Red Hat JBoss Enterprise Application Platform 8; jgroups as a component of Red Hat JBoss Enterprise Application Platform 8; wildfly-messaging-activemq-subsystem as a component of Red Hat JBoss Enterprise Application Platform 8 · Fixed: Red Hat AMQ Broker 7.13.6; Red Hat AMQ Broker 7.14.1
    After
    artemis-server as a component of Red Hat JBoss Enterprise Application Platform 8; jgroups as a component of Red Hat JBoss Enterprise Application Platform 8; wildfly-messaging-activemq-subsystem as a component of Red Hat JBoss Enterprise Application Platform 8 · Fixed: eap7-activemq-artemis-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-0:2.16.0-23.redhat_00058.1.el7eap.src as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-cli-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-commons-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-core-client-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-dto-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-hornetq-protocol-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-hqclient-protocol-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-jdbc-store-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-jms-client-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-jms-server-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-journal-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-ra-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-selector-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-server-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-service-extensions-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-activemq-artemis-tools-0:2.16.0-23.redhat_00058.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-jackson-annotations-0:2.18.9-1.redhat_00003.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-jackson-annotations-0:2.18.9-1.redhat_00003.1.el7eap.src as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-jackson-core-0:2.18.9-1.redhat_00003.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-jackson-core-0:2.18.9-1.redhat_00003.1.el7eap.src as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-jackson-databind-0:2.18.9-1.redhat_00003.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-jackson-databind-0:2.18.9-1.redhat_00003.1.el7eap.src as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-jackson-datatype-jdk8-0:2.18.9-1.redhat_00003.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-jackson-datatype-jsr310-0:2.18.9-1.redhat_00003.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-jackson-jaxrs-base-0:2.18.9-1.redhat_00003.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-jackson-jaxrs-json-provider-0:2.18.9-1.redhat_00003.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-jackson-jaxrs-providers-0:2.18.9-1.redhat_00003.1.el7eap.src as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-jackson-module-jaxb-annotations-0:2.18.9-1.redhat_00003.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; eap7-jackson-modules-base-0:2.18.9-1.redhat_00003.1.el7eap.noarch as a component of Red Hat JBoss EAP 7.4 ELS for RHEL 7 Server; and 88 more
    Red Hat Product Security ↗
  6. Vendor guidanceAuthoritative vendor guidance changed: added vendor advisory: lists.apache.org/4qbgcz3k38q30bfbf7hphtomrdc8l8n8.
    Before
    no authoritative guidance recorded
    After
    vendor advisory: lists.apache.org/4qbgcz3k38q30bfbf7hphtomrdc8l8n8
    security@apache.org ↗
  7. Affected versionsThe structured affected or fixed version information changed.
    Before
    2.50.0 ≤ 2.56.0; 1.0.0 ≤ 2.44.0 · Fixed: No fixed version is explicitly recorded in the structured CVE data.
    After
    Apache Artemis: 2.50.0 ≤ 2.56.0; Apache ActiveMQ Artemis: 1.0.0 ≤ 2.44.0 · Fixed: No fixed version is explicitly recorded in the structured CVE data.
    CNA ↗
  8. SeveritySeverity changed from Unknown to Critical.
    Before
    Unknown
    After
    Critical
    CISA ADP ↗
  9. CVSS scoreCVSS score changed from not recorded to 9.1 (CVSS 3.1 · CISA ADP · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).
    Before
    not recorded
    After
    9.1 (CVSS 3.1 · CISA ADP · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)
    CISA ADP ↗
  10. ENISA EUVD mappingEUVD-2026-75248 was added to the official ENISA EUVD mapping for this CVE.
    Before
    not recorded
    After
    {"euvdId":"EUVD-2026-75248"}
    ENISA EUVD ↗
  11. Catalogue recordCVE added to the BlackTree catalogue.
    CNA ↗
Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
CVE published
Fixed release recorded from official guidance
Fixed release recorded from official guidance
ENISA EUVD · EUVD-2026-75248↗Red Hat Product Security security advisory↗CVE authority or vendor reference↗Official CVE record (CNA and ADP data)↗NVD record↗
Technical terms and abbreviations used in this report
CVE
Common Vulnerabilities and Exposures: the public identifier for one disclosed vulnerability.
CVSS
Common Vulnerability Scoring System: a technical severity framework; it is not patching priority by itself.
EPSS
Exploit Prediction Scoring System: FIRST's estimate of the probability that exploitation activity will be observed in the next 30 days; it is a forecast, not confirmation.
CWE
Common Weakness Enumeration: the standard category describing the underlying software or hardware weakness.
CNA
CVE Numbering Authority: an organisation authorised to assign and publish CVE records.
CISA ADP
Cybersecurity and Infrastructure Security Agency Authorized Data Publisher: structured enrichment added to a CVE record.
NVD
National Vulnerability Database: NIST's enrichment service for CVE records.
CERT / CSIRT
A computer security incident response team that publishes warnings or coordinates incident response.
PoC
Proof of concept: public material that demonstrates or helps reproduce exploitation.
CSAF
Common Security Advisory Framework: a machine-readable format for security advisories.
LoTL
Living off the land: abuse of legitimate tools or system functions during an attack.
Free version - for non-commercial use only.CVE-2026-49364 · cve.blacktree.nl