Description
An issue has been discovered in GitLab EE affecting all versions starting from 14.3 before 17.4.6, all versions starting from 17.5 before 17.5.4 all versions starting from 17.6 before 17.6.2, that allows group users to view confidential incident title through the Wiki History Diff feature, potentially leading to information disclosure.
Problem types
CWE-863: Incorrect Authorization
Product status
14.3 (semver) before 17.4.6
17.5 (semver) before 17.5.4
17.6 (semver) before 17.6.2
Credits
Thanks [mateuszek](https://hackerone.com/mateuszek) for reporting this vulnerability through our HackerOne bug bounty program
References
gitlab.com/gitlab-org/gitlab/-/issues/499577 (GitLab Issue #499577)
hackerone.com/reports/2774817 (HackerOne Bug Bounty Report #2774817)