Description
An issue has been discovered in GitLab EE affecting all versions starting from 16.1 before 16.1.5, all versions starting from 16.2 before 16.2.5, all versions starting from 16.3 before 16.3.1. If an external user is given an owner role on any group, that external user may escalate their privileges on the instance by creating a service account in that group. This service account is not classified as external and may be used to access internal projects.
References (2)
Core 2
Core References
Broken Link issue-tracking
https://gitlab.com/gitlab-org/gitlab/-/issues/417664
Permissions Required technical-description
exploit
permissions-required
https://hackerone.com/reports/2040834
Scores
CVSS v3
6.5
EPSS
0.0004
EPSS Percentile
11.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-279
CWE-732
Status
published
Products (2)
gitlab/gitlab
16.3.0 (2 CPE variants)
gitlab/gitlab
16.1.0 - 16.1.5 (2 CPE variants)
Published
Sep 01, 2023
Tracked Since
Feb 18, 2026