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Full vulnerability report · 2025
CVE-2025-7338High confidence

Multer vulnerable to Denial of Service via unhandled exception from malformed request

expressjs · multer

7.5HighCVSS 3.1
Recommended action
Within 7 days

High technical severity; prioritise exposed affected systems while verifying vendor guidance.

Patch available
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-2025-7338 · CSAF 2.0 · revision 3 · finalRed Hat Product Securitymulter: Multer Denial of Service
1 known affected

The vendor explicitly identifies these products as affected by this CVE.

  • openshift-serverless-1/kn-backstage-plugins-eventmesh-rhel8 as a component of OpenShift Serverless
Summary
A denial of service vulnerability was found in the Multer NPM library. This vulnerability allows an attacker to trigger a denial of service (DoS) by sending a malformed multi-part upload request. This request causes an unhandled exception, resulting in a process crash.
Remediation
For more about Red Hat Developer Hub, see References links
Optional official sources

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

Select the national-authority views to include. The exact source language is shown on each matched advisory. Your choice is remembered on this device and encoded in the shareable URL.

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-2025-21776

No EUVD known-exploited evidence

ENISA has published the identifier mapping but no EUVD description has been stored yet.

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
Not supplied in the stored EUVD record
Advisory evidence
No linked advisory details stored yet
Recommended actionWithin 7 days

High technical severity; prioritise exposed affected systems while verifying vendor guidance.

Patch available
01

What, why and how

Multer is a node.js middleware for handling `multipart/form-data`. A vulnerability that is present starting in version 1.4.4-lts.1 and prior to version 2.0.2 allows an attacker to trigger a Denial of Service (DoS) by sending a malformed multi-part upload request. This request causes an unhandled exception, leading to a crash of the process. Users should upgrade to version 2.0.2 to receive a patch. No known workarounds are available.

What

Multer is a node.js middleware for handling `multipart/form-data`. A vulnerability that is present starting in version 1.4.4-lts.1 and prior to version 2.0.2 allows an attacker to trigger a Denial of Service (DoS) by sending a malformed multi-part upload request. This request causes an unhandled exception, leading to a crash of the process. Users should upgrade to version 2.0.2 to receive a patch. No known workarounds are available.

Why

An exception is thrown from a function, but it is not caught.

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

Multer is a node.js middleware for handling `multipart/form-data`. A vulnerability that is present starting in version 1.4.4-lts.1 and prior to version 2.0.2 allows an attacker to trigger a Denial of Service (DoS) by sending a malformed multi-part upload request. This request causes an unhandled exception, leading to a crash of the process. Users should upgrade to version 2.0.2 to receive a patch. No known workarounds are available.

Why

An exception is thrown from a function, but it is not caught.

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 → Uncaught Exception → disrupt the affected service
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-248

CWE-248: Uncaught Exception. An exception is thrown from a function, but it is not caught.

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:N/I:N/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.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.CNoneConfidentiality impact: No direct loss is represented by this metric.INoneIntegrity impact: No direct loss is represented by this metric.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-248
A

Official authority intelligence

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

BSI · German · WID-SEC-W-2025-2424IBM Rational Team Concert: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in IBM Rational Team Concert ausnutzen, um einen Denial-of-Service-Angriff durchzuführen, Eingaben oder Protokolle zu manipulieren, die Authentifizierung zu umgehen, beliebigen Code auszuführen, Cross-Site-Scripting durchzuführen, sensible Informationen offenzulegen oder offene Weiterleitungen auszulösen.

Official advisory
BSI · German · WID-SEC-W-2025-1929IBM App Connect Enterprise: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in IBM App Connect Enterprise ausnutzen, um einen Denial of Service Angriff durchzuführen, um Daten zu manipulieren, und um Sicherheitsvorkehrungen zu umgehen.

Official advisory
BSI · German · WID-SEC-W-2025-1854HCL BigFix Komponente: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in HCL BigFix Komponente ausnutzen, um Sicherheitsvorkehrungen zu umgehen, um einen Denial of Service Angriff durchzuführen, um Daten zu manipulieren, um Informationen offenzulegen, und um einen Cross-Site Scripting Angriff durchzuführen.

Official advisory
CERT-FR · French · CERTFR-2026-AVI-0958Multiples vulnérabilités dans les produits IBM

d?id=CVE-2025-62718 Référence CVE CVE-2025-64718 https://www.cve.org/CVERecord?id=CVE-2025-64718 Référence CVE CVE-2025-64756 https://www.cve.org/CVERecord?id=CVE-2025-64756 Référence CVE CVE-2025-66168 https://www.cve.org/CVERecord?id=CVE-2025-66168 Référence CVE CVE-2025-66199 https://www.cve.org/CVERecord?id=CVE-2025-66199 Référence CVE CVE-2025-66566 https://www.cve.org/CVERecord?id=CVE-2025-66566 Référence CVE CVE-2025-68160 https://www.cve.org/CVERecord?id=CVE-2025-68160 Référence CVE CVE-2025-68161 https://www.cve.org/CVERecord?id=CVE-2025-68161 Référence CVE CVE-2025-69418 https://www.cve.org/CVERecord?id=CVE-2025-69418 Référence CVE CVE-2025-7338 https://www.cve.org/CVERecord?id=CVE-2025-7338 Référence CVE CVE-2025-7783 https://www.cve.org/CVERecord?id=CVE-2025-7783 Référence CVE CVE-2026-0636 https://www.cve.org/CVERecord?id=CVE-2026-0636 Référence CVE CVE-2026-0994 https://www.cve.org/CVERecord?id=CVE-2026-0994 Référence CVE CVE-2026-10536 https://www.cve.org/CVERecord?id=CVE-2026-10536 Référence CVE CVE-2026-11856 https://www.cve.org/CVERecord?id=CVE-2026-11856 Référence CVE CVE-2026-12143 https://www.cve.org/CVERecord?id=CVE-2026-12143 Référence CVE CVE-2026-12590 https://www.cve.org/CVERecord?id=CVE-2026-12590 Référence CVE CVE-2026-13149 https://www.cve.org/CVERecord?id=CVE-202

Official advisory
CERT-FR · French · CERTFR-2026-AVI-0627Multiples vulnérabilités dans les produits Splunk

d?id=CVE-2025-69226 Référence CVE CVE-2025-69227 https://www.cve.org/CVERecord?id=CVE-2025-69227 Référence CVE CVE-2025-69228 https://www.cve.org/CVERecord?id=CVE-2025-69228 Référence CVE CVE-2025-69229 https://www.cve.org/CVERecord?id=CVE-2025-69229 Référence CVE CVE-2025-69277 https://www.cve.org/CVERecord?id=CVE-2025-69277 Référence CVE CVE-2025-69418 https://www.cve.org/CVERecord?id=CVE-2025-69418 Référence CVE CVE-2025-69419 https://www.cve.org/CVERecord?id=CVE-2025-69419 Référence CVE CVE-2025-69420 https://www.cve.org/CVERecord?id=CVE-2025-69420 Référence CVE CVE-2025-69421 https://www.cve.org/CVERecord?id=CVE-2025-69421 Référence CVE CVE-2025-7338 https://www.cve.org/CVERecord?id=CVE-2025-7338 Référence CVE CVE-2025-8194 https://www.cve.org/CVERecord?id=CVE-2025-8194 Référence CVE CVE-2025-8291 https://www.cve.org/CVERecord?id=CVE-2025-8291 Référence CVE CVE-2025-9086 https://www.cve.org/CVERecord?id=CVE-2025-9086 Référence CVE CVE-2025-9232 https://www.cve.org/CVERecord?id=CVE-2025-9232 Référence CVE CVE-2025-9820 https://www.cve.org/CVERecord?id=CVE-2025-9820 Référence CVE CVE-2026-0865 https://www.cve.org/CVERecord?id=CVE-2026-0865 Référence CVE CVE-2026-0965 https://www.cve.org/CVERecord?id=CVE-2026-0965 Référence CVE CVE-2026-0967 https://www.cve.org/CVERecord?id=CVE-2026-0967 Ré

Official advisory
CERT-FR · French · CERTFR-2026-AVI-0249Multiples vulnérabilités dans les produits IBM

ecord?id=CVE-2025-61729 Référence CVE CVE-2025-64329 https://www.cve.org/CVERecord?id=CVE-2025-64329 Référence CVE CVE-2025-64756 https://www.cve.org/CVERecord?id=CVE-2025-64756 Référence CVE CVE-2025-66418 https://www.cve.org/CVERecord?id=CVE-2025-66418 Référence CVE CVE-2025-66471 https://www.cve.org/CVERecord?id=CVE-2025-66471 Référence CVE CVE-2025-66506 https://www.cve.org/CVERecord?id=CVE-2025-66506 Référence CVE CVE-2025-67779 https://www.cve.org/CVERecord?id=CVE-2025-67779 Référence CVE CVE-2025-6965 https://www.cve.org/CVERecord?id=CVE-2025-6965 Référence CVE CVE-2025-7039 https://www.cve.org/CVERecord?id=CVE-2025-7039 Référence CVE CVE-2025-7338 https://www.cve.org/CVERecord?id=CVE-2025-7338 Référence CVE CVE-2025-7339 https://www.cve.org/CVERecord?id=CVE-2025-7339 Référence CVE CVE-2025-8916 https://www.cve.org/CVERecord?id=CVE-2025-8916 Référence CVE CVE-2026-1188 https://www.cve.org/CVERecord?id=CVE-2026-1188 Référence CVE CVE-2026-21441 https://www.cve.org/CVERecord?id=CVE-2026-21441 Référence CVE CVE-2026-21925 https://www.cve.org/CVERecord?id=CVE-2026-21925 Référence CVE CVE-2026-21932 https://www.cve.org/CVERecord?id=CVE-2026-21932 Référence CVE CVE-2026-21933 https://www.cve.org/CVERecord?id=CVE-2026-21933 Référence CVE CVE-2026-21945 https://www.cve.org/CVERecord?id=CVE-202

Official advisory
CERT-FR · French · CERTFR-2025-AVI-1072Multiples vulnérabilités dans les produits IBM

ord?id=CVE-2025-48795 Référence CVE CVE-2025-48913 https://www.cve.org/CVERecord?id=CVE-2025-48913 Référence CVE CVE-2025-48997 https://www.cve.org/CVERecord?id=CVE-2025-48997 Référence CVE CVE-2025-50106 https://www.cve.org/CVERecord?id=CVE-2025-50106 Référence CVE CVE-2025-56200 https://www.cve.org/CVERecord?id=CVE-2025-56200 Référence CVE CVE-2025-57350 https://www.cve.org/CVERecord?id=CVE-2025-57350 Référence CVE CVE-2025-58754 https://www.cve.org/CVERecord?id=CVE-2025-58754 Référence CVE CVE-2025-5889 https://www.cve.org/CVERecord?id=CVE-2025-5889 Référence CVE CVE-2025-59343 https://www.cve.org/CVERecord?id=CVE-2025-59343 Référence CVE CVE-2025-7338 https://www.cve.org/CVERecord?id=CVE-2025-7338 Référence CVE CVE-2025-7339 https://www.cve.org/CVERecord?id=CVE-2025-7339 Référence CVE CVE-2025-7783 https://www.cve.org/CVERecord?id=CVE-2025-7783 Gestion détaillée du document le 05 décembre 2025 Version initiale Alertes Avis Bulletins d’actualités Mentions légales Conditions générales À propos Contact cyber.gouv.fr service-public.fr legifrance.gouv.fr info.gouv.fr france.fr info.gouv.fr/risques Premier Ministre / Secrétariat Général de la Défense et de la Sécurité Nationale / Agence nationale de la sécurité des systèmes d'information

Official advisory
CERT-FR · French · CERTFR-2025-AVI-0896Multiples vulnérabilités dans les produits IBM

ord?id=CVE-2025-50059 Référence CVE CVE-2025-50106 https://www.cve.org/CVERecord?id=CVE-2025-50106 Référence CVE CVE-2025-50181 https://www.cve.org/CVERecord?id=CVE-2025-50181 Référence CVE CVE-2025-50182 https://www.cve.org/CVERecord?id=CVE-2025-50182 Référence CVE CVE-2025-53864 https://www.cve.org/CVERecord?id=CVE-2025-53864 Référence CVE CVE-2025-55668 https://www.cve.org/CVERecord?id=CVE-2025-55668 Référence CVE CVE-2025-58754 https://www.cve.org/CVERecord?id=CVE-2025-58754 Référence CVE CVE-2025-5889 https://www.cve.org/CVERecord?id=CVE-2025-5889 Référence CVE CVE-2025-59343 https://www.cve.org/CVERecord?id=CVE-2025-59343 Référence CVE CVE-2025-7338 https://www.cve.org/CVERecord?id=CVE-2025-7338 Référence CVE CVE-2025-7783 https://www.cve.org/CVERecord?id=CVE-2025-7783 Gestion détaillée du document le 17 octobre 2025 Version initiale Alertes Avis Bulletins d’actualités Mentions légales Conditions générales À propos Contact cyber.gouv.fr service-public.fr legifrance.gouv.fr info.gouv.fr france.fr info.gouv.fr/risques Premier Ministre / Secrétariat Général de la Défense et de la Sécurité Nationale / Agence nationale de la sécurité des systèmes d'information

Official advisory
CERT-FR · French · CERTFR-2025-AVI-0746Multiples vulnérabilités dans les produits IBM

ecord?id=CVE-2025-49796 Référence CVE CVE-2025-50059 https://www.cve.org/CVERecord?id=CVE-2025-50059 Référence CVE CVE-2025-50106 https://www.cve.org/CVERecord?id=CVE-2025-50106 Référence CVE CVE-2025-52434 https://www.cve.org/CVERecord?id=CVE-2025-52434 Référence CVE CVE-2025-52520 https://www.cve.org/CVERecord?id=CVE-2025-52520 Référence CVE CVE-2025-53506 https://www.cve.org/CVERecord?id=CVE-2025-53506 Référence CVE CVE-2025-55668 https://www.cve.org/CVERecord?id=CVE-2025-55668 Référence CVE CVE-2025-6021 https://www.cve.org/CVERecord?id=CVE-2025-6021 Référence CVE CVE-2025-6965 https://www.cve.org/CVERecord?id=CVE-2025-6965 Référence CVE CVE-2025-7338 https://www.cve.org/CVERecord?id=CVE-2025-7338 Référence CVE CVE-2025-7425 https://www.cve.org/CVERecord?id=CVE-2025-7425 Référence CVE CVE-2025-7783 https://www.cve.org/CVERecord?id=CVE-2025-7783 Gestion détaillée du document le 29 août 2025 Version initiale Alertes Avis Bulletins d’actualités Mentions légales Conditions générales À propos Contact cyber.gouv.fr service-public.fr legifrance.gouv.fr info.gouv.fr france.fr info.gouv.fr/risques Premier Ministre / Secrétariat Général de la Défense et de la Sécurité Nationale / Agence nationale de la sécurité des systèmes d'information

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
openshift-serverless-1/kn-backstage-plugins-eventmesh-rhel8 as a component of OpenShift Serverless
Fixed
registry.redhat.io/rhdh/rhdh-hub-rhel9@sha256:48b72d96926999336505cbf097f873dd9ccb2dec814a5db7f7ffa630dea29dc5_amd64 as a component of Red Hat Developer Hub 1.6; registry.redhat.io/rhdh/rhdh-hub-rhel9@sha256:aa3c5b50c65aee51b932fafcbf479ce54f15496cffc2744860bd9e135cce815c_amd64 as a component of Red Hat Developer Hub 1.7
Action
For more about Red Hat Developer Hub, see References links
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 17 Jul 2025 · Last source change 17 Jul 2025, 16:48 UTC · CWE-248 · Uncaught Exception

CVE recordCVE.org · 5.1
CVSS sourceCNA
EPSS source
?The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.
FIRST · tracked since 2026-08-14
European sourceENISA EUVD · EUVD-2025-21776
Product sourceVendor CSAF · Red Hat Product Security
Remediation sourceVendor CSAF · Red Hat Product Security
CWE sourceCNA
NVD statusNVD not scheduled

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
    openshift-serverless-1/kn-backstage-plugins-eventmesh-rhel8 as a component of OpenShift Serverless · Fixed: registry.redhat.io/rhdh/rhdh-hub-rhel9@sha256:48b72d96926999336505cbf097f873dd9ccb2dec814a5db7f7ffa630dea29dc5_amd64 as a component of Red Hat Developer Hub (RHDH) 1.6; registry.redhat.io/rhdh/rhdh-hub-rhel9@sha256:aa3c5b50c65aee51b932fafcbf479ce54f15496cffc2744860bd9e135cce815c_amd64 as a component of Red Hat Developer Hub 1.7
    After
    openshift-serverless-1/kn-backstage-plugins-eventmesh-rhel8 as a component of OpenShift Serverless · Fixed: registry.redhat.io/rhdh/rhdh-hub-rhel9@sha256:48b72d96926999336505cbf097f873dd9ccb2dec814a5db7f7ffa630dea29dc5_amd64 as a component of Red Hat Developer Hub 1.6; registry.redhat.io/rhdh/rhdh-hub-rhel9@sha256:aa3c5b50c65aee51b932fafcbf479ce54f15496cffc2744860bd9e135cce815c_amd64 as a component of Red Hat Developer Hub 1.7
    Red Hat Product Security
  2. Affected versionsThe structured affected or fixed version information changed.
    Before
    openshift-serverless-1/kn-backstage-plugins-eventmesh-rhel8 as a component of OpenShift Serverless · Fixed: registry.redhat.io/rhdh/rhdh-hub-rhel9@sha256:48b72d96926999336505cbf097f873dd9ccb2dec814a5db7f7ffa630dea29dc5_amd64 as a component of Red Hat Developer Hub 1.6; registry.redhat.io/rhdh/rhdh-hub-rhel9@sha256:aa3c5b50c65aee51b932fafcbf479ce54f15496cffc2744860bd9e135cce815c_amd64 as a component of Red Hat Developer Hub 1.7
    After
    openshift-serverless-1/kn-backstage-plugins-eventmesh-rhel8 as a component of OpenShift Serverless · Fixed: registry.redhat.io/rhdh/rhdh-hub-rhel9@sha256:48b72d96926999336505cbf097f873dd9ccb2dec814a5db7f7ffa630dea29dc5_amd64 as a component of Red Hat Developer Hub (RHDH) 1.6; registry.redhat.io/rhdh/rhdh-hub-rhel9@sha256:aa3c5b50c65aee51b932fafcbf479ce54f15496cffc2744860bd9e135cce815c_amd64 as a component of Red Hat Developer Hub 1.7
    Red Hat Product Security
  3. Affected versionsThe structured affected or fixed version information changed.
    Before
    openshift-serverless-1/kn-backstage-plugins-eventmesh-rhel8 as a component of OpenShift Serverless · Fixed: registry.redhat.io/rhdh/rhdh-hub-rhel9@sha256:48b72d96926999336505cbf097f873dd9ccb2dec814a5db7f7ffa630dea29dc5_amd64 as a component of Red Hat Developer Hub (RHDH) 1.6; registry.redhat.io/rhdh/rhdh-hub-rhel9@sha256:aa3c5b50c65aee51b932fafcbf479ce54f15496cffc2744860bd9e135cce815c_amd64 as a component of Red Hat Developer Hub 1.7
    After
    openshift-serverless-1/kn-backstage-plugins-eventmesh-rhel8 as a component of OpenShift Serverless · Fixed: registry.redhat.io/rhdh/rhdh-hub-rhel9@sha256:48b72d96926999336505cbf097f873dd9ccb2dec814a5db7f7ffa630dea29dc5_amd64 as a component of Red Hat Developer Hub 1.6; registry.redhat.io/rhdh/rhdh-hub-rhel9@sha256:aa3c5b50c65aee51b932fafcbf479ce54f15496cffc2744860bd9e135cce815c_amd64 as a component of Red Hat Developer Hub 1.7
    Red Hat Product Security
Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
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-2025-7338 · cve.blacktree.nl