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.
Problem types
CWE-862: Missing Authorization
Product status
18.6 (semver) before 18.6.6
18.7 (semver) before 18.7.4
18.8 (semver) before 18.8.4
Credits
Thanks [go7f0](https://hackerone.com/go7f0) for reporting this vulnerability through our HackerOne bug bounty program
References
gitlab.com/gitlab-org/gitlab/-/issues/583961 (GitLab Issue #583961)
hackerone.com/reports/3451435 (HackerOne Bug Bounty Report #3451435)
about.gitlab.com/...10/patch-release-gitlab-18-8-4-released/