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Findings

CVE-2026-4398

GitLab has remediated an issue in GitLab EE affecting all versions from 18.3 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions,…

Published Apr 8, 2026 · updated Sep 28, 2026 · gitlab gitlab

GitLab has remediated an issue in GitLab EE affecting all versions from 18.3 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user could have assigned compliance frameworks from namespaces they were not authorized to access to their own project, due to missing namespace validation on self-managed instances.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 26, 2026 · GitLab Security Releases

    Detected

    On August 26, 2026, we released versions 19.3.1, 19.2.5, 19.1.7 for GitLab Community Edition (CE) and Enterprise Edition (EE). These versions contain important bug and security fixes, and we strongly recommend that all self-managed GitLab installations be upgraded to one of these versions immediately. GitLab.com is already running the patched version. GitLab Dedicated customers do not need to take

  2. Sep 28, 2026 · NIST NVD

    Updated

    GitLab has remediated an issue in GitLab EE affecting all versions from 18.3 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user could have assigned compliance frameworks from namespaces they were not authorized to access to their own project, due to missing namespace validation on self-managed instances.

Affected

  • cpe gitlab/gitlabversion unspecified
  • cpe gitlab/gitlab19.3.0

Sources

  • CVE.orgVulnerability recordCVE-2026-4398

    Official CVE identifier

    cve.org
  • GitLab Security ReleasesVendor advisoryCVE-2026-4398

    On August 26, 2026, we released versions 19.3.1, 19.2.5, 19.1.7 for GitLab Community Edition (CE) and Enterprise Edition (EE). These versions contain important bug and security fixes, and we strongly recommend that all self-managed GitLab installations be upgraded to one of these

    docs.gitlab.com
  • NIST NVDVulnerability recordCVE-2026-4398

    GitLab has remediated an issue in GitLab EE affecting all versions from 18.3 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user could have assigned compliance frameworks from namespaces they were not authorized to acces

    nvd.nist.gov

References