Description
An issue has been discovered in GitLab CE/EE affecting all versions from 15.1 before 18.1.6, 18.2 before 18.2.6, and 18.3 before 18.3.2 that could have allowed authenticated users to view administrator-only maintenance notes by accessing runner details through specific interfaces.
Problem types
CWE-497: Exposure of Sensitive System Information to an Unauthorized Control Sphere
Product status
15.1 (semver) before 18.1.6
18.2 (semver) before 18.2.6
18.3 (semver) before 18.3.2
Credits
Thanks [iamgk808](https://hackerone.com/iamgk808) for reporting this vulnerability through our HackerOne bug bounty program
References
about.gitlab.com/...10/patch-release-gitlab-18-3-2-released/
gitlab.com/gitlab-org/gitlab/-/issues/551957 (GitLab Issue #551957)
hackerone.com/reports/3173328 (HackerOne Bug Bounty Report #3173328)