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Advisory record · GHSA-g7c6-wxjf-8564

Jenkins GitHub Branch Source Plugin has missing permission check that allows enumerating GitHub Enterprise server URLs

CVSS 4.3 MediumEPSS 0.0028 · 20th percentile

Published by the GitHub Advisory Database at 24 Jun 2026, 15:31 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.jenkins-ci.plugins:github-branch-sourceMaven<1967.19701967.1970
Identifiers
GHSA-g7c6-wxjf-8564 · CVE-2026-57285
Weakness (CWE)
CWE-862
Tags
Published
24 Jun 2026
Updated
25 Sept 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Jenkins GitHub Branch Source Plugin (Maven org.jenkins-ci.plugins:github-branch-source) versions 1967.1969.v205fd594c821 and earlier are affected. An attacker with Overall/Read permission can use an HTTP endpoint that lacks a permission check to obtain the URLs of GitHub Enterprise servers configured by administrators. Upgrade to version 1967.1970 or later, which requires Overall/Manage or Item/Extended Read permission on an item to list the configured endpoints.

Written 2 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
4.3 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS 0.0028, the 20th percentile, on 9 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:16 UTC First seen by agentprime
  2. 31 Oct 2026, 14:16 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.