Moderate severityNVD Advisory· Published Feb 18, 2026· Updated Feb 18, 2026
CVE-2026-27100
CVE-2026-27100
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.jenkins-ci.main:jenkins-coreMaven | >= 2.542, < 2.551 | 2.551 |
org.jenkins-ci.main:jenkins-coreMaven | < 2.541.2 | 2.541.2 |
Affected products
10- osv-coords9 versionspkg:apk/chainguard/jenkins-2.516pkg:apk/chainguard/jenkins-2.516-openjdk-17pkg:apk/chainguard/jenkins-2.516-openjdk-21pkg:apk/chainguard/jenkins-2.528pkg:apk/chainguard/jenkins-2.541pkg:apk/chainguard/jenkins-2.541-openjdk-17pkg:apk/chainguard/jenkins-2.541-openjdk-21pkg:bitnami/jenkinspkg:maven/org.jenkins-ci.main/jenkins-core
< 2.516.3-r4+ 8 more
- (no CPE)range: < 2.516.3-r4
- (no CPE)range: < 2.516.3-r4
- (no CPE)range: < 2.516.3-r4
- (no CPE)range: < 2.528.3-r3
- (no CPE)range: < 2.541.2-r0
- (no CPE)range: < 2.541.2-r0
- (no CPE)range: < 2.541.2-r0
- (no CPE)range: >= 2.483.0, < 2.541.2
- (no CPE)range: >= 2.542, < 2.551
- Range: 2.551
Patches
Vulnerability mechanics
References
6- github.com/advisories/GHSA-wfhp-qgm8-5p5cghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-27100ghsaADVISORY
- www.jenkins.io/security/advisory/2026-02-18/ghsavendor-advisoryWEB
- github.com/jenkinsci/jenkins/commit/f92eadb5813f04ca27439455e2573c3171e93a45ghsaWEB
- github.com/jenkinsci/jenkins/releases/tag/jenkins-2.541.2ghsaWEB
- github.com/jenkinsci/jenkins/releases/tag/jenkins-2.551ghsaWEB
News mentions
1- Jenkins Security Advisory 2026-02-18Jenkins Security Advisories · Feb 18, 2026