GitLab’s Security Comedy: Critical Flaws Patched While Users Scramble
GitLab addressed critical authentication bypass flaws in their CE and EE editions. Attackers with a valid signed SAML document could impersonate users, risking data breaches. GitLab urges users to update to the latest versions to avoid account takeovers. Who knew a single signature could cause such drama? GitHub was the whistleblower here!

Hot Take:
GitLab’s latest security update is like a much-needed reboot of your favorite TV show—just when things were getting stale, they swoop in and fix those pesky authentication bypass plot holes. Who knew GitLab could turn a cybersecurity nightmare into a daytime soap opera?
Key Points:
- GitLab patched two critical authentication bypass vulnerabilities in CE and EE.
- The vulnerabilities involved the ruby-saml library used for SAML SSO authentication.
- Attackers could impersonate users if they had a valid signed SAML document.
- GitLab Dedicated customers get automatic updates, while self-managed users need to update manually.
- GitHub discovered the vulnerabilities and alerted GitLab, despite not using ruby-saml themselves.
Already a member? Log in here