An issue has been discovered in GitLab CE/EE affecting all versions starting from 14.0 before 15.6.7, all versions starting from 15.7 before 15.7.6, all versions starting from 15.8 before 15.8.1. It was possible to trigger a DoS attack by uploading a malicious Helm chart.
https://hackerone.com/reports/1766973
https://gitlab.com/gitlab-org/gitlab/-/issues/383082
https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0518.json