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TI-2026-30805 Aliases CVE-2026-42522GHSA-wg26-8wmj-cf9p

Missing authorization in Jenkins GitHub Branch Source Plugin

Priority LOW 19CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-862.

Summary

A missing permission check in Jenkins GitHub Branch Source Plugin 1967.vdea_d580c1a_b_a_ and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL with attacker-specified GitHub App credentials.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00184 8th percentileScored 2026-11-07
Fix Fixed org.jenkins-ci.plugins:github-branch-source (Maven): 1967.1969.v205fd594c821

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
JenkinsJenkins GitHub Branch Source Pluginup to 1967.vdea_d580c1a_b_a_—No fix listedCNA
—org.jenkins-ci.plugins:github-branch-source (Maven)before 1967.1969.v205fd594c8211967.1969.v205fd594c821Patch availableGHSA-wg26-8wmj-cf9p
  • Jenkins GitHub Branch Source Plugin VendorJenkins Affected up to 1967.vdea_d580c1a_b_a_ Fixed in — No fix listed CNA
  • org.jenkins-ci.plugins:github-branch-source (Maven) Vendor— Affected before 1967.1969.v205fd594c821 Fixed in 1967.1969.v205fd594c821 Patch available GHSA-wg26-8wmj-cf9p

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jenkins:github_branch_source:*:*:*:*:*:jenkins:*:*up to 1967.vdea_d580c1a_b_aVulnerableJenkins
  • cpe:2.3:a:jenkins:github_branch_source:*:*:*:*:*:jenkins:*:* Versions up to 1967.vdea_d580c1a_b_a Vulnerable ·Jenkins

Remediation

  • Fix · GHSA-wg26-8wmj-cf9p org.jenkins-ci.plugins:github-branch-source (Maven) Fixed in 1967.1969.v205fd594c821 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-42522
  2. 2026-10-03 Alias added: GHSA-wg26-8wmj-cf9p

References

Advisory 2

  • TI-2024-15889 Information disclosure in Jenkins GitLab Branch Source Plugin CVSS 3.1MEDIUM 6.5
  • TI-2024-15891 Incorrect comparison in Jenkins GitLab Branch Source Plugin CVSS 3.1MEDIUM 5.3
  • TI-2017-14428 GitHub Branch Source Plugin connects to a user-specified GitHub API URL (e.g. CVSS 3.0MEDIUM 6.3
  • TI-2018-15834 A server-side request forgery vulnerability exists in Jenkins GitHub Branch Source Plugin… CVSS 3.0MEDIUM 4.3
  • TI-2017-14424 GitHub Branch Source provides a list of applicable credential IDs to allow users… CVSS 3.0MEDIUM 4.3
  • TI-2026-41222 Missing authorization in Jenkins GitHub Branch Source Plugin CVSS 3.1MEDIUM 4.3
See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences