Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4 prior to 18.4.5, 18.5 prior to 18.5.3, and 18.6 prior to 18.6.1 that could have allowed an authenticated user to obtain credentials from higher-privileged users and perform actions in their context under specific conditions.
Problem types
CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
Product status
18.4 (semver) before 18.4.5
18.5 (semver) before 18.5.3
18.6 (semver) before 18.6.1
Credits
Thanks [aphantom](https://hackerone.com/aphantom) for reporting this vulnerability through our HackerOne bug bounty program
References
gitlab.com/gitlab-org/gitlab/-/issues/494478 (GitLab Issue #494478)
hackerone.com/reports/2707421 (HackerOne Bug Bounty Report #2707421)