GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.6 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authentic

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.6 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authenticated user to perform unauthorized operations by submitting GraphQL mutations through the GLQL API endpoint.

Affected Products

References

• https://about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/(Release Notes, Vendor Advisory)
• https://gitlab.com/gitlab-org/gitlab/-/issues/583961(Broken Link, Issue Tracking)
• https://hackerone.com/reports/3451435(Permissions Required, Exploit)