Auth bypass in Jenkins Project Github Branch Source Plugin

CVE-2026-57285

A missing permission check in Jenkins GitHub Branch Source Plugin 1967.1969.v205fd594c821 and earlier allows attackers with Overall/Read permission to obtain the URLs of GitHub Enterprise servers configured in the global plugin configurati…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-57285?
CVE-2026-57285 is a medium-severity vulnerability in Jenkins Project Github Branch Source Plugin, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-06-24.
How severe is CVE-2026-57285?
Medium severity. CVSS v3 base score is 4.3 out of 10.