Vulnerability in GitLab

[ Description ]Official description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.6 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under a race condition, the MCP search tool's shared state handling could have caused search results to be returned under an incorrect user context.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• CERT-FR24 Sep 2026CERTFR-2026-AVI-1225

  Multiple vulnerabilities in GitLab Translated from French

  Multiple vulnerabilities have been discovered in GitLab. Some of them allow an attacker to cause arbitrary code execution, a breach of data confidentiality and remote cross-site scripting (XSS).

  CVE-2026-92529CVE-2026-84739CVE-2026-4523+8 more CVEs
• BSI CERT-Bund23 Sep 2026WID-SEC-2026-3556

  GitLab: Multiple vulnerabilities Translated from German

  CVE-2026-8937CVE-2026-93577CVE-2026-92874+8 more CVEs

[ References ]References

• docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-1-releasedRelease NotesVendor Advisory
• gitlab.com/gitlab-org/gitlab/-/work_items/621933Issue Tracking