CVE-2023-3964

An issue has been discovered in GitLab affecting all versions starting from 13.2 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 users to access composer packages on public projects that have package registry disabled in the project settings.

CVSS v3.1

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

CVSS v3.1

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

EPSS

0.49% chance of exploitation in the next 30 days, 40th percentile

Published

2023-12-01

Updated

2026-05-06

Proof-of-concept exploits (1)

• https://hackerone.com/reports/2037316

References

• CVE Record
• NVD entry

Related

• CVE-2023-39639
• CVE-2023-39641
• CVE-2023-39631
• CVE-2023-39642
• CVE-2023-39615
• CVE-2023-39643