An improper certificate validation issue in Smartcard authentication in GitLab EE affecting all versions from 11.6 prior to 16.4.4, 16.5 prior to 16.5.4, and 16.6 prior to 16.6.2 allows an attacker to authenticate as another user given their public key if they use Smartcard authentication. Smartcard authentication is an experimental feature and has to be manually enabled by an administrator.

Related CVEs

CVE-2023-6680

Key Information

GHSA ID

GHSA-wpj8-2grx-f965

Published

December 15, 2023 6:30 PM

Last Modified

December 15, 2023 6:30 PM

CVSS Score

7.5 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: June 16, 2025 6:25 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.