An improper access control issue in GitLab CE/EE affecting all versions from 11.3 prior to 15.3.5, 15.4 prior to 15.4.4, and 15.5 prior to 15.5.2 allowed an unauthorized user to see release names even when releases we set to be restricted to project members only

A blind SSRF in GitLab CE/EE affecting all from 11.3 prior to 15.4.6, 15.5 prior to 15.5.5, and 15.6 prior to 15.6.1 allows an attacker to connect to local addresses when configuring a malicious GitLab Runner.

In all versions of GitLab CE/EE since version 11.3, the endpoint for auto-completing Assignee discloses the members of private groups.