CVE-2023-4658

An issue has been discovered in GitLab EE affecting all versions starting from 8.13 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for an attacker to abuse the `Allowed to merge` permission as a guest user, when granted the permission through a group.

CVSS v3.1

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

CVSS v3.1

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

EPSS

0.39% chance of exploitation in the next 30 days, 32th percentile

Published

2023-12-01

Updated

2026-04-26

Proof-of-concept exploits (1)

• https://hackerone.com/reports/2104540

References

• CVE Record
• NVD entry

Related

• CVE-2023-46574
• CVE-2023-46580
• CVE-2023-46570
• CVE-2023-46581
• CVE-2023-46569
• CVE-2023-46582