CVE-2023-1965: GitLab

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

An issue has been discovered in GitLab EE affecting all versions starting from 14.2 before 15.9.6, all versions starting from 15.10 before 15.10.5, all versions starting from 15.11 before 15.11.1. Lack of verification on RelayState parameter allowed a maliciously crafted URL to obtain access tokens granted for 3rd party Group SAML SSO logins. This feature isn't enabled by default.

Affected products

• GitLab GitLab: from 14.2, before 15.9.6 (fixed in 15.9.6); from 15.10, before 15.10.5 (fixed in 15.10.5); from 15.11, before 15.11.1 (fixed in 15.11.1)

Published 2023-05-03. Last modified 2026-06-17.