Description
An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.5 prior to 16.9.7, starting from 16.10 prior to 16.10.5, and starting from 16.11 prior to 16.11.2. GitLab was vulnerable to Server Side Request Forgery when an attacker uses a malicious URL in the markdown image value when importing a GitHub repository.
Problem types
CWE-918: Server-Side Request Forgery (SSRF)
Product status
15.5 (semver) before 16.9.7
16.10 (semver) before 16.10.5
16.11 (semver) before 16.11.2
Credits
Thanks [imrerad](https://hackerone.com/imrerad) for reporting this vulnerability through our HackerOne bug bounty program
References
gitlab.com/gitlab-org/gitlab/-/issues/432276 (GitLab Issue #432276)
hackerone.com/reports/2249268 (HackerOne Bug Bounty Report #2249268)
Data based on CVE®. Copyright © 1999-2025, The MITRE Corporation. All rights reserved.