CVE-2025-67635: Jenkins has a Denial of service vulnerability in HTTP-based CLI

CVE-2025-67635 · Severity: high · CVSS 7.5 · Published 2025-12-10

Jenkins 2.540 and earlier, LTS 2.528.2 and earlier does not properly close HTTP-based CLI connections when the connection stream becomes corrupted, allowing unauthenticated attackers to cause a denial of service.

Technologies: Jenkins, org.jenkins-ci.main:jenkins-core (Maven). Vendors: Jenkins, Maven.

Quick answers

Is CVE-2025-67635 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-67635 being exploited in the wild.
How severe is CVE-2025-67635?
High severity, with a CVSS score of 7.5, published 10 December 2025.
Which products and versions are affected?
org.jenkins-ci.main:cli (Maven) ECOSYSTEM:introduced=2.529,fixed=2.541; org.jenkins-ci.main:jenkins-core (Maven) ECOSYSTEM:introduced=2.529,fixed=2.541.
Is there a fix for CVE-2025-67635?
Yes. org.jenkins-ci.main:cli (Maven): upgrade to 2.541 or later; org.jenkins-ci.main:jenkins-core (Maven): upgrade to 2.541 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-67635?
Check whether you run Jenkins, org.jenkins-ci.main:cli (Maven) or org.jenkins-ci.main:jenkins-core (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • org.jenkins-ci.main:cli (Maven): upgrade to 2.541 or later
    # set org.jenkins-ci.main:cli to 2.541 in your pom.xml or build.gradle
  • org.jenkins-ci.main:jenkins-core (Maven): upgrade to 2.541 or later
    # set org.jenkins-ci.main:jenkins-core to 2.541 in your pom.xml or build.gradle

Affected products

  • Jenkins
  • org.jenkins-ci.main:cli (Maven) ECOSYSTEM:introduced=2.529,fixed=2.541
  • org.jenkins-ci.main:jenkins-core (Maven) ECOSYSTEM:introduced=2.529,fixed=2.541

Identifiers

  • CVE-2025-67635
  • GHSA-9p56-p6mw-w8qc

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