BlackTreeCVE Intelligence
← Back to the CVE catalogue
Full vulnerability report · 2026
CVE-2026-61548High confidence

Rsyslog: mmpstrucdata stack buffer overflow with oversized RFC5424 structured data

rsyslog · rsyslog

Official source article: GitHub GHSA-8QMR-C66F-G368 ↗. Check the applicable product and release in the original source.

8.1HighCVSS 3.1
Recommended action
Patch only the product branches with a verified fix

High technical severity; prioritise exposed affected systems while verifying vendor guidance. Verified remediation exists for at least one product or source, but 1 structured product or package state remain unresolved. Apply remediation only to the exact product branch confirmed by its source.

Fix availability varies by product
R
Operational reassessment

Published severity in operational context

Open reassessment dashboard →
Published severityHighOperational priority:High, 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 0.94% 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 rsyslog rsyslog 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 30 daysRemediation target: Within 180 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.

Cross-source reconciliation

Remediation availability differs by product scope

Verified remediation exists for at least one product or source, but 1 structured product or package state remain unresolved. Apply remediation only to the exact product branch confirmed by its source.

Distribution package intelligence

Release-specific package status

Debian, ubuntu findings are scoped to the named distribution, release and source package. An absent finding does not mean a package is unaffected.

5 package states
Package result overrides the generic status

BlackTree has verified remediation for at least one product or source, but the relevant distribution still reports no fixed package for 1 affected package state shown here. Treat those rows as affected with no fix until that distribution publishes a fixed version.

Repository candidate not checked

A published vendor fix does not prove that a matching update is enabled and installable on a particular asset. Confirm the local package candidate before scheduling remediation.

Distribution releaseSource packageVendor stateFixed versionEvidence
Debian trixietrixie · sourcersyslogVendor fix publishedDebian records a fixed source-package version for this release.8.2504.0-1+deb13u2Debian Security Tracker ↗Source updated 7 Oct 2026
Debian bookwormbookworm · sourcersyslogAffected, no fix publishedDebian currently tracks this release as open.Not published in this feedDebian Security Tracker ↗Source updated 7 Oct 2026
Debian forkyforky · sourcersyslogVendor fix publishedDebian records a fixed source-package version for this release.8.2606.0-4Debian Security Tracker ↗Source updated 7 Oct 2026
Debian sidsid · sourcersyslogVendor fix publishedDebian records a fixed source-package version for this release.8.2606.0-4Debian Security Tracker ↗Source updated 7 Oct 2026
Ubuntu 24.04 LTSnoble · standard archiversyslogVendor fix publishedCanonical reports that a fixed source package version has been published. Repository candidate availability is not checked by BlackTree.8.2312.0-3ubuntu9.3Canonical Ubuntu Security ↗Source updated 7 Oct 2026
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-2026-61548 · CSAF 2.0 · revision 3 · finalRed Hat Product Securityrsyslog: Rsyslog: Denial of Service due to stack buffer overflow in mmpstrucdata plugin
100 known not affected

The vendor explicitly states that these products are not affected by this CVE.

  • rsyslog as a component of Red Hat Enterprise Linux 10
  • rsyslog-crypto as a component of Red Hat Enterprise Linux 10
  • rsyslog-doc as a component of Red Hat Enterprise Linux 10
  • rsyslog-elasticsearch as a component of Red Hat Enterprise Linux 10
  • rsyslog-gnutls as a component of Red Hat Enterprise Linux 10
  • rsyslog-gssapi as a component of Red Hat Enterprise Linux 10
  • rsyslog-kafka as a component of Red Hat Enterprise Linux 10
  • rsyslog-mmaudit as a component of Red Hat Enterprise Linux 10
  • rsyslog-mmfields as a component of Red Hat Enterprise Linux 10
  • rsyslog-mmjsonparse as a component of Red Hat Enterprise Linux 10
  • rsyslog-mmkubernetes as a component of Red Hat Enterprise Linux 10
  • rsyslog-mmnormalize as a component of Red Hat Enterprise Linux 10
Summary
A flaw was found in Rsyslog, a system for log processing. A remote unauthenticated attacker could exploit a stack buffer overflow vulnerability within the optional `mmpstrucdata` plugin. By sending a specially crafted RFC5424 message containing an oversized structured-data parameter, the attacker can cause a system crash, leading to a denial of service (DoS) and interruption of log collection. This issue affects deployments that have the `mmpstrucdata` plugin installed and configured to accept messages exceeding the buffer size.
Remediation
No remediation text is recorded.
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-2026-83185

No EUVD known-exploited evidence

Rsyslog is a rocket-fast system for log processing. From 7.5.4 until 8.2606.0, the optional mmpstrucdata plugin's parseSD_PARAM function in plugins/mmpstrucdata/mmpstrucdata.c stores RFC5424 parameter values in a fixed pVal[32 * 1024] stack buffer and calls parsePARAM_VALUE without supplying the destination size. A remote unauthenticated attacker whose crafted RFC5424 message reaches an action using mmpstrucdata can provide a structured-data parameter larger than that buffer when MaxMessageSize permits it, causing an attacker-controlled stack overwrite. Deployments that do not install and use the plugin, or whose effective message-size limit remains below the required threshold, are not affected by this issue. The demonstrated impact is a crash and interruption of log collection; code execution is not demonstrated. This issue is fixed in version 8.2606.0.

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
8.1 · CVSS 3.1
Advisory evidence
No linked advisory details stored yet
Recommended actionPatch only the product branches with a verified fix

High technical severity; prioritise exposed affected systems while verifying vendor guidance. Verified remediation exists for at least one product or source, but 1 structured product or package state remain unresolved. Apply remediation only to the exact product branch confirmed by its source.

Fix availability varies by product
01

What, why and how

Rsyslog is a rocket-fast system for log processing. From 7.5.4 until 8.2606.0, the optional mmpstrucdata plugin's parseSD_PARAM function in plugins/mmpstrucdata/mmpstrucdata.c stores RFC5424 parameter values in a fixed pVal[32 * 1024] stack buffer and calls parsePARAM_VALUE without supplying the destination size. A remote unauthenticated attacker whose crafted RFC5424 message reaches an action using mmpstrucdata can provide a structured-data parameter larger than that buffer when MaxMessageSize permits it, causing an attacker-controlled stack overwrite. Deployments that do not install and use the plugin, or whose effective message-size limit remains below the required threshold, are not affected by this issue. The demonstrated impact is a crash and interruption of log collection; code execution is not demonstrated. This issue is fixed in version 8.2606.0.

What

Rsyslog is a rocket-fast system for log processing. From 7.5.4 until 8.2606.0, the optional mmpstrucdata plugin's parseSD_PARAM function in plugins/mmpstrucdata/mmpstrucdata.c stores RFC5424 parameter values in a fixed pVal[32 * 1024] stack buffer and calls parsePARAM_VALUE without supplying the destination size. A remote unauthenticated attacker whose crafted RFC5424 message reaches an action using mmpstrucdata can provide a structured-data parameter larger than that buffer when MaxMessageSize permits it, causing an attacker-controlled stack overwrite. Deployments that do not install and use the plugin, or whose effective message-size limit remains below the required threshold, are not affected by this issue. The demonstrated impact is a crash and interruption of log collection; code execution is not demonstrated. This issue is fixed in version 8.2606.0.

Why

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

How

An attacker operating through a network path may attempt exploitation without authentication or user interaction. If successful, the issue may disrupt the affected service.

What

Rsyslog is a rocket-fast system for log processing. From 7.5.4 until 8.2606.0, the optional mmpstrucdata plugin's parseSD_PARAM function in plugins/mmpstrucdata/mmpstrucdata.c stores RFC5424 parameter values in a fixed pVal[32 * 1024] stack buffer and calls parsePARAM_VALUE without supplying the destination size. A remote unauthenticated attacker whose crafted RFC5424 message reaches an action using mmpstrucdata can provide a structured-data parameter larger than that buffer when MaxMessageSize permits it, causing an attacker-controlled stack overwrite. Deployments that do not install and use the plugin, or whose effective message-size limit remains below the required threshold, are not affected by this issue. The demonstrated impact is a crash and interruption of log collection; code execution is not demonstrated. This issue is fixed in version 8.2606.0.

Why

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

How

An attacker operating through a network path may attempt exploitation without authentication or user interaction. If successful, the issue may disrupt the affected service.

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 → Stack-based Buffer Overflow → disrupt the affected service
Attack surface
Network
Privileges required
None: unauthenticated exploitation is possible
User interaction
None
Attack complexity
High: exploitation depends on specific conditions
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-121 ↗

CWE-121: Stack-based Buffer Overflow. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

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:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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.ACHighAttack complexity: Successful exploitation depends on specific conditions outside the attacker's direct control.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.AHighAvailability impact: A successful attack can cause a major loss.
Post-exploitation / living off the land
No specific living-off-the-land technique is confirmed in the structured sources. Monitor normal administration tools for activity inconsistent with the affected service's baseline.
NetworkUnauthenticatedDenial of serviceCWE-121
A

Official authority intelligence

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

ENISA EUVD · EUVD-2026-83185Official EUVD mapping

Rsyslog is a rocket-fast system for log processing. From 7.5.4 until 8.2606.0, the optional mmpstrucdata plugin's parseSD_PARAM function in plugins/mmpstrucdata/mmpstrucdata.c stores RFC5424 parameter values in a fixed pVal[32 * 1024] stack buffer and calls parsePARAM_VALUE without supplying the destination size. A remote unauthenticated attacker whose crafted RFC5424 message reaches an action using mmpstrucdata can provide a structured-data parameter larger than that buffer when MaxMessageSize permits it, causing an attacker-controlled stack overwrite. Deployments that do not install and use the plugin, or whose effective message-size limit remains below the required threshold, are not affected by this issue. The demonstrated impact is a crash and interruption of log collection; code execution is not demonstrated. This issue is fixed in version 8.2606.0.

Official EUVD record ↗
BSI · German · WID-SEC-2026-2421rsyslog: Schwachstelle ermöglicht Denial of Service und potenziell Codeausführung

Ein entfernter, anonymer Angreifer kann eine Schwachstelle in rsyslog ausnutzen, um einen Denial of Service Angriff durchzuführen, und potenziell um beliebigen Programmcode auszuführen.

Official advisory ↗
CSIRT Italia · Italian · rsyslog-poc-pubbliche-per-lo-sfruttamento-delle-cve-2026-55556-e-cve-2026-61548Rsyslog: PoC pubbliche per lo sfruttamento delle CVE-2026-55556 e CVE-2026-61548

Nel dettaglio, la vulnerabilità CVE-2026-55556 - di tipo "Denial of Service" e con score CVSS v4.0 8.2- presente nel modulo opzionale imhttp , è causata da una gestione non corretta della memoria durante l'elaborazione dell'autenticazione HTTP Basic. Un utente malintenzionato remoto non autenticato, tramite richieste HTTP opportunamente predisposte, potrebbe provocare la corruzione della memoria del processo rsyslog e causarne l'arresto con conseguente interruzione della raccolta dei log. La vulnerabilità CVE-2026-61548 - di tipo "Denial of Service" e con score CVSS v3.1 8.1 - riguarda invece il modulo opzionale mmpstrucdata , ed è dovuta all'assenza di adeguati controlli sui limiti di un buffer utilizzato per l'elaborazione di messaggi RFC5424. Un utente malintenzionato remoto potrebbe causare una sovrascrittura della memoria stack e provocare l'arresto del servizio con interruzione delle attività di logging. Per entrambe le vulnerabilità, la corruzione della memoria potrebbe, in linea teorica, consentire anche l’esecuzione di codice arbitrario. Tale possibilità non è tuttavia dimostrata e va pertanto considerata un impatto potenziale, non confermato.

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.
Fix availability varies by product
Affected
rsyslog: 7.5.4, < 8.2606.0
Fixed
8.2606.0.
Action
Use the product-specific evidence above. Patch only products with a verified fixed release, and keep every affected or under-investigation state without a matching fix in the remediation queue.
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 18 Sept 2026 · Last source change 21 Sept 2026, 20:49 UTC · CWE-121 · Stack-based Buffer Overflow

CVE recordCVE.org · 5.2
CVSS sourceCNA
EPSS source
?The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.
FIRST · tracked since 2026-09-19
European sourceENISA EUVD · EUVD-2026-83185
Product sourceCNA
Remediation sourceCVE/CNA references
CWE sourceCNA
NVD statusNVD awaiting enrichment

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

Material change intelligence

What changed after publication

View recent updates ↗
  1. Vendor guidanceAuthoritative vendor guidance changed from remediation: access.redhat.com/CVE-2026-61548 to remediation: access.redhat.com/CVE-2026-61548.
    Before
    remediation: access.redhat.com/CVE-2026-61548
    After
    remediation: access.redhat.com/CVE-2026-61548
    Red Hat Product Security ↗
  2. Remediation statusRemediation status changed from Mitigation available to Awaiting fix.
    Before
    Mitigation available
    After
    Awaiting fix
    Red Hat Product Security ↗
  3. Affected versionsThe structured affected or fixed version information changed.
    Before
    rsyslog as a component of Red Hat Enterprise Linux 10; rsyslog-crypto as a component of Red Hat Enterprise Linux 10; rsyslog-doc as a component of Red Hat Enterprise Linux 10; rsyslog-elasticsearch as a component of Red Hat Enterprise Linux 10; rsyslog-gnutls as a component of Red Hat Enterprise Linux 10; rsyslog-gssapi as a component of Red Hat Enterprise Linux 10; rsyslog-kafka as a component of Red Hat Enterprise Linux 10; rsyslog-mmaudit as a component of Red Hat Enterprise Linux 10; rsyslog-mmfields as a component of Red Hat Enterprise Linux 10; rsyslog-mmjsonparse as a component of Red Hat Enterprise Linux 10; rsyslog-mmkubernetes as a component of Red Hat Enterprise Linux 10; rsyslog-mmnormalize as a component of Red Hat Enterprise Linux 10; rsyslog-mmsnmptrapd as a component of Red Hat Enterprise Linux 10; rsyslog-mysql as a component of Red Hat Enterprise Linux 10; rsyslog-omamqp1 as a component of Red Hat Enterprise Linux 10; rsyslog-openssl as a component of Red Hat Enterprise Linux 10; rsyslog-pgsql as a component of Red Hat Enterprise Linux 10; rsyslog-relp as a component of Red Hat Enterprise Linux 10; rsyslog-snmp as a component of Red Hat Enterprise Linux 10; rsyslog-udpspoof as a component of Red Hat Enterprise Linux 10; rsyslog.src as a component of Red Hat Enterprise Linux 10; rsyslog as a component of Red Hat Enterprise Linux 7; rsyslog-crypto as a component of Red Hat Enterprise Linux 7; rsyslog-doc as a component of Red Hat Enterprise Linux 7; rsyslog-elasticsearch as a component of Red Hat Enterprise Linux 7; rsyslog-gnutls as a component of Red Hat Enterprise Linux 7; rsyslog-gssapi as a component of Red Hat Enterprise Linux 7; rsyslog-kafka as a component of Red Hat Enterprise Linux 7; rsyslog-libdbi as a component of Red Hat Enterprise Linux 7; rsyslog-mmaudit as a component of Red Hat Enterprise Linux 7; and 53 more
    After
    Red Hat Product Security ↗
  4. Affected versionsThe structured affected or fixed version information changed.
    Before
    rsyslog as a component of Red Hat Enterprise Linux 10; rsyslog-crypto as a component of Red Hat Enterprise Linux 10; rsyslog-doc as a component of Red Hat Enterprise Linux 10; rsyslog-elasticsearch as a component of Red Hat Enterprise Linux 10; rsyslog-gnutls as a component of Red Hat Enterprise Linux 10; rsyslog-gssapi as a component of Red Hat Enterprise Linux 10; rsyslog-kafka as a component of Red Hat Enterprise Linux 10; rsyslog-mmaudit as a component of Red Hat Enterprise Linux 10; rsyslog-mmfields as a component of Red Hat Enterprise Linux 10; rsyslog-mmjsonparse as a component of Red Hat Enterprise Linux 10; rsyslog-mmkubernetes as a component of Red Hat Enterprise Linux 10; rsyslog-mmnormalize as a component of Red Hat Enterprise Linux 10; rsyslog-mmsnmptrapd as a component of Red Hat Enterprise Linux 10; rsyslog-mysql as a component of Red Hat Enterprise Linux 10; rsyslog-omamqp1 as a component of Red Hat Enterprise Linux 10; rsyslog-openssl as a component of Red Hat Enterprise Linux 10; rsyslog-pgsql as a component of Red Hat Enterprise Linux 10; rsyslog-relp as a component of Red Hat Enterprise Linux 10; rsyslog-snmp as a component of Red Hat Enterprise Linux 10; rsyslog-udpspoof as a component of Red Hat Enterprise Linux 10; rsyslog.src as a component of Red Hat Enterprise Linux 10; rsyslog as a component of Red Hat Enterprise Linux 7; rsyslog-crypto as a component of Red Hat Enterprise Linux 7; rsyslog-doc as a component of Red Hat Enterprise Linux 7; rsyslog-elasticsearch as a component of Red Hat Enterprise Linux 7; rsyslog-gnutls as a component of Red Hat Enterprise Linux 7; rsyslog-gssapi as a component of Red Hat Enterprise Linux 7; rsyslog-kafka as a component of Red Hat Enterprise Linux 7; rsyslog-libdbi as a component of Red Hat Enterprise Linux 7; rsyslog-mmaudit as a component of Red Hat Enterprise Linux 7; and 54 more
    After
    rsyslog as a component of Red Hat Enterprise Linux 10; rsyslog-crypto as a component of Red Hat Enterprise Linux 10; rsyslog-doc as a component of Red Hat Enterprise Linux 10; rsyslog-elasticsearch as a component of Red Hat Enterprise Linux 10; rsyslog-gnutls as a component of Red Hat Enterprise Linux 10; rsyslog-gssapi as a component of Red Hat Enterprise Linux 10; rsyslog-kafka as a component of Red Hat Enterprise Linux 10; rsyslog-mmaudit as a component of Red Hat Enterprise Linux 10; rsyslog-mmfields as a component of Red Hat Enterprise Linux 10; rsyslog-mmjsonparse as a component of Red Hat Enterprise Linux 10; rsyslog-mmkubernetes as a component of Red Hat Enterprise Linux 10; rsyslog-mmnormalize as a component of Red Hat Enterprise Linux 10; rsyslog-mmsnmptrapd as a component of Red Hat Enterprise Linux 10; rsyslog-mysql as a component of Red Hat Enterprise Linux 10; rsyslog-omamqp1 as a component of Red Hat Enterprise Linux 10; rsyslog-openssl as a component of Red Hat Enterprise Linux 10; rsyslog-pgsql as a component of Red Hat Enterprise Linux 10; rsyslog-relp as a component of Red Hat Enterprise Linux 10; rsyslog-snmp as a component of Red Hat Enterprise Linux 10; rsyslog-udpspoof as a component of Red Hat Enterprise Linux 10; rsyslog.src as a component of Red Hat Enterprise Linux 10; rsyslog as a component of Red Hat Enterprise Linux 7; rsyslog-crypto as a component of Red Hat Enterprise Linux 7; rsyslog-doc as a component of Red Hat Enterprise Linux 7; rsyslog-elasticsearch as a component of Red Hat Enterprise Linux 7; rsyslog-gnutls as a component of Red Hat Enterprise Linux 7; rsyslog-gssapi as a component of Red Hat Enterprise Linux 7; rsyslog-kafka as a component of Red Hat Enterprise Linux 7; rsyslog-libdbi as a component of Red Hat Enterprise Linux 7; rsyslog-mmaudit as a component of Red Hat Enterprise Linux 7; and 53 more
    Red Hat Product Security ↗
  5. ENISA EUVD mappingEUVD-2026-83185 was added to the official ENISA EUVD mapping for this CVE.
    Before
    not recorded
    After
    {"euvdId":"EUVD-2026-83185"}
    ENISA EUVD ↗
  6. 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 or patch reference recorded
ENISA EUVD · EUVD-2026-83185↗Vendor CSAF · Red Hat Product Security↗CVE authority or vendor reference · GitHub GHSA-8QMR-C66F-G368↗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-2026-61548 · cve.blacktree.nl