MEDIUM4.3
GHSA-wfhp-qgm8-5p5c
Jenkins has a build information disclosure vulnerability through Run Parameter
Quick fix
GHSA-wfhp-qgm8-5p5c — org.jenkins-ci.main:jenkins-core: upgrade to the fixed version with the command below.
# pom.xml: bump <version>2.551</version> for org.jenkins-ci.main:jenkins-coreDetails
Jenkins 2.550 and earlier, LTS 2.541.1 and earlier accepts Run Parameter values that refer to builds the user submitting the build does not have access to, allowing attackers with Item/Build and Item/Configure permission to obtain information about the existence of jobs, the existence of builds, and if a specified build exists, its display name.
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Affected packages
Maven/org.jenkins-ci.main:jenkins-core
Introduced in:
2.542Fixed in: 2.551Fix
# pom.xml: bump <version>2.551</version> for org.jenkins-ci.main:jenkins-coreMaven/org.jenkins-ci.main:jenkins-core
Introduced in:
0Fixed in: 2.541.2Fix
# pom.xml: bump <version>2.541.2</version> for org.jenkins-ci.main:jenkins-coreReferences
- https://nvd.nist.gov/vuln/detail/CVE-2026-27100[ADVISORY]
- https://github.com/jenkinsci/jenkins/commit/f92eadb5813f04ca27439455e2573c3171e93a45[WEB]
- https://github.com/jenkinsci/jenkins[PACKAGE]
- https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.541.2[WEB]
- https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.551[WEB]
- https://www.jenkins.io/security/advisory/2026-02-18/#SECURITY-3658[WEB]