HIGH7.5
GHSA-9p56-p6mw-w8qc
Jenkins has a Denial of service vulnerability in HTTP-based CLI
Quick fix
GHSA-9p56-p6mw-w8qc — org.jenkins-ci.main:jenkins-core: upgrade to the fixed version with the command below.
# pom.xml: bump <version>2.541</version> for org.jenkins-ci.main:jenkins-coreDetails
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.
Are you affected?
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Affected packages
Maven/org.jenkins-ci.main:jenkins-core
Introduced in:
2.529Fixed in: 2.541Fix
# pom.xml: bump <version>2.541</version> for org.jenkins-ci.main:jenkins-coreMaven/org.jenkins-ci.main:cli
Introduced in:
2.529Fixed in: 2.541Fix
# pom.xml: bump <version>2.541</version> for org.jenkins-ci.main:cliMaven/org.jenkins-ci.main:jenkins-core
Introduced in:
0Fixed in: 2.528.3Fix
# pom.xml: bump <version>2.528.3</version> for org.jenkins-ci.main:jenkins-coreMaven/org.jenkins-ci.main:cli
Introduced in:
0Fixed in: 2.528.3Fix
# pom.xml: bump <version>2.528.3</version> for org.jenkins-ci.main:cliReferences
- https://nvd.nist.gov/vuln/detail/CVE-2025-67635[ADVISORY]
- https://github.com/jenkinsci/jenkins/commit/efa1816322026f2b9235a27eee814bcc7ba0a764[WEB]
- https://fluidattacks.com/blog/unauth-dos-in-jenkins-cli[WEB]
- https://github.com/jenkinsci/jenkins[PACKAGE]
- https://www.jenkins.io/security/advisory/2025-12-10/#SECURITY-3630[WEB]