Incorrect Default Permissions
An issue has been discovered in GitLab affecting all versions starting from 15.5 before 15.7.8, all versions starting from 15.8 before 15.8.4, all versions starting from 15.9 before 15.9.2. Due to improper permissions checks an unauthorised user was able to read, add or edit a users private snippet.
CWE-276 - Incorrect Default Permissions
During installation, installed file permissions are set to allow anyone to modify those files.