vulnerability
Gitlab Gitlab: CVE-2023-6680: Improper Certificate Validation
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:N) | Dec 15, 2023 | Apr 22, 2025 | Mar 25, 2026 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:N)
Published
Dec 15, 2023
Added
Apr 22, 2025
Modified
Mar 25, 2026
Description
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.
Solution
gitlab-gitlab-upgrade-latest
Rapid7 Labs
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