CVE-2026-27100
mediumpriority · track · 0EPSS 0.004 · 31 %ileDEEURUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (15)
Products and version ranges known to be affected.
advisories (3)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-0456Jenkins: Mehrere SchwachstellenDeutsch2026-02-18csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Jenkins ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen, und um Informationen offenzulegen.
- GHSA-wfhp-qgm8-5p5cJenkins has a build information disclosure vulnerability through Run Parameter 2026-02-18ghsa · osvUS
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.
- BIT-jenkins-2026-271002026-02-20vendor · osvUS
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.
also known as (6)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (3)
External citations — patches, advisories, analysis.
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan