What is CVE-2026-57285?

CVE-2026-57285 is a medium-severity vulnerability in Jenkins Github_branch_source, 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.

Auth bypass in Jenkins Github_branch_source

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

EPSS: 0.002 (12.2th percentile) — read the EPSS interpretation.

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

Jenkins Github_branch_source
Jenkins Project Github Branch Source Plugin — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

jenkinsci-cert@googlegroups.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-57285?: CVE-2026-57285 is a medium-severity vulnerability in Jenkins Github_branch_source, 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.