CVE-2023-1555

MEDIUM 4.3EPSS 0.5%

An issue has been discovered in GitLab affecting all versions starting from 15.2 before 16.1.5, all versions starting from 16.2 before 16.2.5, all versions starting from 16.3 before 16.3.1. A namespace-level banned user can access the API.

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: 2.7 LOWCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
EPSS: 0.46% chance of exploitation in the next 30 days, 38th percentile
Published: 2023-09-01
Updated: 2025-11-20

Proof-of-concept exploits (1)

https://hackerone.com/reports/1911908

References

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