CVE-2023-3979

An issue has been discovered in GitLab affecting all versions starting from 10.6 before 16.2.8, all versions starting from 16.3 before 16.3.5, all versions starting from 16.4 before 16.4.1. It was possible that upstream members to collaborate with you on your branch get permission to write to the merge request’s source branch.

CVSS v3.1

4.3 MEDIUMCVSS:3.1/AV:N/AC:L/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

0.40% chance of exploitation in the next 30 days, 33th percentile

Published

2023-09-29

Updated

2026-08-14

Proof-of-concept exploits (1)

• https://hackerone.com/reports/2082560

References

• CVE Record
• NVD entry

Related

• CVE-2023-39786
• CVE-2023-39796
• CVE-2023-39785
• CVE-2023-3980
• CVE-2023-39780
• CVE-2023-3981