Thanks [@vaib25vicky](https://hackerone.com/vaib25vicky) for reporting this vulnerability through our HackerOne bug bounty program

Insufficient permission checks in scheduled pipeline API in GitLab CE/EE 13.0+ allows an attacker to read variable names and values for scheduled pipelines on projects visible to the attacker. Affected versions are >=13.0, <13.3.9,>=13.4.0, <13.4.5,>=13.5