Description
An issue has been discovered in GitLab affecting all versions starting from 9.3 before 16.4.4, all versions starting from 16.5 before 16.5.4, all versions starting from 16.6 before 16.6.2. In certain situations, it may have been possible for developers to override predefined CI variables via the REST API.
References (2)
Core 2
Core References
Broken Link issue-tracking
permissions-required
https://gitlab.com/gitlab-org/gitlab/-/issues/425521
Permissions Required technical-description
exploit
permissions-required
https://hackerone.com/reports/2125189
Scores
CVSS v3
4.3
EPSS
0.0002
EPSS Percentile
6.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-862
Status
published
Products (4)
GitLab/GitLab
16.5 - 16.5.4
GitLab/GitLab
16.6 - 16.6.2
GitLab/GitLab
9.3 - 16.4.4
gitlab/gitlab
9.3.0 - 16.4.4 (2 CPE variants)
Published
Dec 15, 2023
Tracked Since
Feb 18, 2026