Description
An issue has been discovered in GitLab affecting all versions starting from 4.1 before 16.1.5, all versions starting from 16.2 before 16.2.5, all versions starting from 16.3 before 16.3.1 where it was possible to create a URL that would redirect to a different project.
Problem types
CWE-601: URL Redirection to Untrusted Site ('Open Redirect')
Product status
4.1 (semver) before 16.1.5
16.2 (semver) before 16.2.5
16.3 (semver) before 16.3.1
Credits
Thanks [akadrian](https://hackerone.com/akadrian) for reporting this vulnerability through our HackerOne bug bounty program
References
gitlab.com/gitlab-org/gitlab/-/issues/395437 (GitLab Issue #395437)
hackerone.com/reports/1889230 (HackerOne Bug Bounty Report #1889230)
gitlab.com/gitlab-org/gitlab/-/issues/395437 (GitLab Issue #395437)
hackerone.com/reports/1889230 (HackerOne Bug Bounty Report #1889230)