CVE-2023-6477

An issue has been discovered in GitLab EE affecting all versions starting from 16.5 before 16.7.6, all versions starting from 16.8 before 16.8.3, all versions starting from 16.9 before 16.9.1. When a user is assigned a custom role with admin_group_member permission, they may be able to make a group, other members or themselves Owners of that group, which may lead to privilege escalation.

CVSS v3.1

6.7 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L

CVSS v3.1

6.7 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L

EPSS

0.53% chance of exploitation in the next 30 days, 42th percentile

Published

2024-02-21

Updated

2026-05-15

Proof-of-concept exploits (1)

• https://hackerone.com/reports/2270898

References

• CVE Record
• NVD entry

Related

• CVE-2023-6474
• CVE-2023-6485
• CVE-2023-6473
• CVE-2023-6489
• CVE-2023-6472
• CVE-2023-6499