All vulnerabilities

Servers and applications

CVE-2026-6821

GitLab has remediated an issue in GitLab EE affecting all versions from 12.0 before 19.0.6, 19.1 before 19.1.4, and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user to bypass IP-based access restrictions and read limited merge request information from a private project due to missing authorization checks in a merge requests API endpoint.

Severity
Medium 4.3
Published
12 Aug 2026
Last changed
19 Aug 2026
Added to UpHeron
21 Oct 2026
Fixed in
19.0.6, 19.1.4, 19.2.2
Sources
NVD

Affected software

SoftwareAffected versions
GitLabServers and applications · cpe:a:gitlab:gitlab
  • From 12.0.0 before 19.0.6
  • From 19.1.0 before 19.1.4
  • From 19.2.0 before 19.2.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-6821
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-6821