An issue has been discovered in GitLab CE/EE affecting all versions from 16.9 before 17.4.6, 17.5 before 17.5.4, and 17.6 before 17.6.2. By using a specific GraphQL query, under specific conditions an unauthorized user can retrieve branch names.

An issue was discovered in GitLab CE/EE affecting all versions from 11.8 before 17.4.6, 17.5 before 17.5.4, and 17.6 before 17.6.2. An attacker could potentially perform an open redirect against a given releases API endpoint.

An issue was discovered in GitLab CE/EE affecting all versions starting from 13.9 before 17.4.6, 17.5 before 17.5.4, and 17.6 before 17.6.2, that allows an attacker to cause uncontrolled CPU consumption, potentially leading to a Denial of Service (DoS) condition while parsing templates to generate changelogs.

An issue was discovered in GitLab affecting all versions starting 15.2 to 17.4.6, 17.5 prior to 17.5.4, and 17.6 prior to 17.6.2. On self hosted installs, it was possible to leak the anti-CSRF-token to an external site while the Harbor integration was enabled.

An issue has been discovered in GitLab CE/EE affecting all versions from 9.4 before 17.4.6, 17.5 before 17.5.4, and 17.6 before 17.6.2. An attacker could cause a denial of service with requests for diff files on a commit or merge request.

An issue has been discovered in GitLab CE/EE affecting all versions from 17.3 before 17.4.6, 17.5 before 17.5.4, and 17.6 before 17.6.2. Improper output encoding could lead to XSS if CSP is not enabled.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.7 prior to 17.4.6, from 17.5 prior to 17.5.4, and from 17.6 prior to 17.6.2. It may have been possible for an attacker with a victim's `CI_JOB_TOKEN` to obtain a GitLab session token belonging to the victim.

An issue was discovered in GitLab CE/EE affecting all versions starting from 11.0 prior to 17.4.6, starting from 17.5 prior to 17.5.4, and starting from 17.6 prior to 17.6.2, where sensitive information passed in GraphQL mutations may have been retained in GraphQL logs.

An issue was discovered in GitLab CE/EE affecting all versions starting from 16.1 prior to 17.4.6, starting from 17.5 prior to 17.5.4, and starting from 17.6 prior to 17.6.2, injection of NEL headers in k8s proxy response could lead to session data exfiltration.

An issue has been discovered in GitLab EE affecting all versions starting from 14.3 before 17.4.6, all versions starting from 17.5 before 17.5.4 all versions starting from 17.6 before 17.6.2, that allows group users to view confidential incident title through the Wiki History Diff feature, potentially leading to information disclosure.