A potential DOS vulnerability was discovered in all versions of Gitlab starting from 13.4.x (>=13.4 to <13.4.7, >=13.5 to <13.5.5, and >=13.6 to <13.6.2). Using a specific query name for a project search can cause statement timeouts that can lead to a potential DOS if abused.

Information disclosure via GraphQL in GitLab CE/EE 13.1 and later exposes private group and project membership. This affects versions >=13.6 to <13.6.2, >=13.5 to <13.5.5, and >=13.1 to <13.4.7.

Information disclosure in Advanced Search component of GitLab EE starting from 8.4 results in exposure of search terms via Rails logs. This affects versions >=8.4 to <13.4.7, >=13.5 to <13.5.5, and >=13.6 to <13.6.2.

Information about the starred projects for private user profiles was exposed via the GraphQL API starting from 12.2 via the REST API. This affects GitLab >=12.2 to <13.4.7, >=13.5 to <13.5.5, and >=13.6 to <13.6.2.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.4 before 13.6.2. Information disclosure via GraphQL results in user email being unexpectedly visible.

Removed group members were able to use the To-Do functionality to retrieve updated information on confidential epics starting in GitLab EE 13.2 before 13.6.2.

A limited information disclosure vulnerability exists in Gitlab CE/EE from >= 12.2 to <13.4.7, >=13.5 to <13.5.5, and >=13.6 to <13.6.2 that allows an attacker to view limited information in user's private profile

An issue was discovered in Gitlab CE/EE versions >= 13.1 to <13.4.7, >= 13.5 to <13.5.5, and >= 13.6 to <13.6.2 allowed an unauthorized user to access the user list corresponding to a feature flag in a project.

A DOS vulnerability exists in Gitlab CE/EE >=10.3, <13.4.7,>=13.5, <13.5.5,>=13.6, <13.6.2 that allows an attacker to trigger uncontrolled resource by bypassing input validation in markdown fields.

A XSS vulnerability exists in Gitlab CE/EE from 12.4 before 13.4.7, 13.5 before 13.5.5, and 13.6 before 13.6.2 that allows an attacker to perform cross-site scripting to other users via importing a malicious project

An Improper Input Validation issue was discovered in GitLab Community and Enterprise Edition before 11.5.8, 11.6.x before 11.6.6, and 11.7.x before 11.7.1. It was possible to use the profile name to inject a potentially malicious link into notification emails.