CSRF in runner administration page in all versions of GitLab CE/EE allows an attacker who's able to target GitLab instance administrators to pause/resume runners. Affected versions are >=13.5.0, <13.5.2,>=13.4.0, <13.4.5,<13.3.9.

An issue has been discovered in GitLab EE affecting all versions starting from 8.12. A regular expression related to a file path resulted in the Advanced Search feature susceptible to catastrophic backtracking. Affected versions are >=8.12, <13.3.9,>=13.4, <13.4.5,>=13.5, <13.5.2.

An issue has been discovered in GitLab EE affecting all versions starting from 10.2. Required CODEOWNERS approval could be bypassed by targeting a branch without the CODEOWNERS file. Affected versions are >=10.2, <13.3.9,>=13.4, <13.4.5,>=13.5, <13.5.2.

A command injection vulnerability was discovered in Gitlab runner versions prior to 13.2.4, 13.3.2 and 13.4.1. When the runner is configured on a Windows system with a docker executor, which allows the attacker to run arbitrary commands on Windows host, via DOCKER_AUTH_CONFIG build variable.

Membership changes are not reflected in ToDo subscriptions in GitLab versions prior to 13.2.10, 13.3.7 and 13.4.2, allowing guest users to access confidential issues through API.

An issue has been discovered in GitLab affecting all versions starting from 10.8. Reflected XSS on Multiple Routes

An issue has been discovered in GitLab affecting all versions prior to 13.2.10, 13.3.7 and 13.4.2. Sessions keys are stored in plain-text in Redis which allows attacker with Redis access to authenticate as any user that has a session stored in Redis

An issue has been discovered in GitLab affecting all versions starting from 11.2. Unauthorized Users Can View Custom Project Template

An issue has been discovered in GitLab affecting versions prior to 13.2.10, 13.3.7 and 13.4.2: Lack of Rate Limiting at Re-Sending Confirmation Email

An issue has been discovered in GitLab affecting all versions prior to 13.2.10, 13.3.7 and 13.4.2. Insufficient permission check allows attacker with developer role to perform various deletions.

An issue has been discovered in GitLab affecting all versions prior to 13.2.10, 13.3.7 and 13.4.2: Stored XSS in CI Job Log

An issue has been discovered in GitLab affecting all versions before 13.2.10, 13.3.7 and 13.4.2: XSS in SVG File Preview. Overall impact is limited due to the current user only being impacted.

An issue has been discovered in GitLab affecting versions prior to 12.10.13, 13.0.8, 13.1.2. A stored cross-site scripting vulnerability was discovered when editing references.

An issue has been discovered in GitLab affecting versions from 12.10 to 12.10.12 that allowed for a stored XSS payload to be added as a group name.

An issue has been discovered in GitLab affecting versions from 11.8 before 12.10.13. GitLab was vulnerable to a stored XSS by in the error tracking feature.

Improper group membership validation when deleting a user account in GitLab >=7.12 allows a user to delete own account without deleting/transferring their group.

In GitLab versions prior to 13.2.10, 13.3.7 and 13.4.2, improper authorization checks allow a non-member of a project/group to change the confidentiality attribute of issue via mutation GraphQL query

A potential DOS vulnerability was discovered in GitLab versions 13.1, 13.2 and 13.3. The api to update an asset as a link from a release had a regex check which caused exponential number of backtracks for certain user supplied values resulting in high CPU usage.

An issue has been discovered in GitLab affecting versions prior to 12.10.13. GitLab was vulnerable to a stored XSS by in the Wiki pasges.

An issue has been discovered in GitLab affecting versions prior to 12.10.13. GitLab was vulnerable to a stored XSS in import the Bitbucket project feature.