Description
An issue has been discovered in GitLab CE/EE affecting all versions from 17.2 before 17.11.5, 18.0 before 18.0.3, and 18.1 before 18.1.1 that could have allowed unauthenticated attackers to upload arbitrary files to public projects by sending crafted API requests, potentially leading to resource abuse and unauthorized content storage.
Problem types
CWE-306: Missing Authentication for Critical Function
Product status
17.2 (semver) before 17.11.5
18.0 (semver) before 18.0.3
18.1 (semver) before 18.1.1
Credits
Thanks [abdelrahman_maged](https://hackerone.com/abdelrahman_maged) for reporting this vulnerability through our HackerOne bug bounty program
References
gitlab.com/gitlab-org/gitlab/-/issues/521619 (GitLab Issue #521619)
hackerone.com/reports/3009067 (HackerOne Bug Bounty Report #3009067)