An issue has been discovered in GitLab EE affecting all versions starting before 16.4.4, all versions starting from 16.5 before 16.5.4, all versions starting from 16.6 before 16.6.2. It was possible to overflow the time spent on an issue that altered the details shown in the issue boards.
An improper certificate validation issue in Smartcard authentication in GitLab EE affecting all versions from 11.6 prior to 16.4.4, 16.5 prior to 16.5.4, and 16.6 prior to 16.6.2 allows an attacker to authenticate as another user given their public key if they use Smartcard authentication. Smartcard authentication is an experimental feature and has to be manually enabled by an administrator.
A privilege escalation vulnerability in GitLab EE affecting all versions from 16.0 prior to 16.4.4, 16.5 prior to 16.5.4, and 16.6 prior to 16.6.2 allows a project Maintainer to use a Project Access Token to escalate their role to Owner
An issue has been discovered in GitLab affecting all versions starting from 15.3 before 16.5.5, all versions starting from 16.6 before 16.6.4, all versions starting from 16.7 before 16.7.2. The required CODEOWNERS approval could be bypassed by adding changes to a previously approved merge request. This is a high severity issue (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:N, 7.6). It is now mitigated in the latest release and is assigned CVE-2023-4812.
Incorrect authorization checks in GitLab CE/EE from all versions starting from 8.13 before 16.5.6, all versions starting from 16.6 before 16.6.4, all versions starting from 16.7 before 16.7.2, allows a user to abuse slack/mattermost integrations to execute slash commands as another user.
An issue has been discovered in GitLab EE/CE that could allow an attacker to track users' browsing activities, potentially leading to full account take-over, affecting all versions from 16.6 before 17.9.7, 17.10 before 17.10.5, and 17.11 before 17.11.1.
A Cross Site Scripting (XSS) vulnerability in GitLab-EE affecting all versions from 16.6 prior to 17.7.6, 17.8 prior to 17.8.4, and 17.9 prior to 17.9.1 allows an attacker to bypass security controls and execute arbitrary scripts in a user’s browser under specific conditions. This is a high severity issue (CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N, 7.7). It is now mitigated in the latest release and is assigned CVE-2025-0555.