CVE-2026-84664

Jenkins GitLab Plugin 1.9.16 and earlier allows overwriting the global GitLab connection configuration through Stapler data binding, allowing attackers to connect to an attacker-specified URL using GitLab API tokens already configured by administrators.

  • Published Sep 2, 2026
  • CVSS 5.4 medium
  • 0.1% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-84664 at the National Vulnerability Database