Description
An issue has been discovered in GitLab affecting all versions prior to 16.2.7, all versions starting from 16.3 before 16.3.5, and all versions starting from 16.4 before 16.4.1. It was possible for a removed project member to write to protected branches using deploy keys.
References (2)
Core 2
Core References
Broken Link issue-tracking
permissions-required
https://gitlab.com/gitlab-org/gitlab/-/issues/416957
Permissions Required technical-description
exploit
permissions-required
https://hackerone.com/reports/2041789
Scores
CVSS v3
4.3
EPSS
0.0005
EPSS Percentile
15.7%
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-863
Status
published
Products (5)
gitlab/gitlab
16.4.0 (2 CPE variants)
GitLab/GitLab
< 16.2.7
GitLab/GitLab
16.3 - 16.3.5
GitLab/GitLab
16.4 - 16.4.1
gitlab/gitlab
8.15 - 16.2.8 (2 CPE variants)
Published
Sep 29, 2023
Tracked Since
Feb 18, 2026