Skip to content
OpenAdvisories
Medium · 4.3 CVE-2026-27100 BIT-jenkins-2026-27100EUVD-2026-8092GHSA-wfhp-qgm8-5p5c

Jenkins has a build information disclosure vulnerability through Run Parameter

Published Feb 18, 2026 · Updated Feb 18, 2026 · Assigned by jenkins

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.

Affected products

VendorProductAffectedFixed
Jenkins Project Jenkins — —

Affected packages

EcosystemPackageAffectedFixedRecord
Maven org.jenkins-ci.main:jenkins-core >= 2.542, < 2.551 2.551 GHSA-wfhp-qgm8-5p5c
Maven org.jenkins-ci.main:jenkins-core < 2.541.2 2.541.2 GHSA-wfhp-qgm8-5p5c

Advisories 1

References