Unrated severityNVD Advisory· Published Nov 6, 2023· Updated Nov 20, 2025
Insertion of Sensitive Information Into Sent Data in GitLab
CVE-2023-3399
Description
An issue has been discovered in GitLab EE affecting all versions starting from 11.6 before 16.3.6, all versions starting from 16.4 before 16.4.2, all versions starting from 16.5 before 16.5.1. It was possible for an unauthorised project or group member to read the CI/CD variables using the custom project templates.
Affected products
3- Range: >=11.6, <16.3.6 || >=16.4, <16.4.2 || >=16.5, <16.5.1
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- hackerone.com/reports/2021616mitretechnical-descriptionexploitpermissions-required
- gitlab.com/gitlab-org/gitlab/-/issues/416244mitreissue-tracking
News mentions
1- GitLab Security Release: 16.5.1, 16.4.2, 16.3.6GitLab Security Releases · Oct 31, 2023