CVE-2023-5600

Missing Authorization in GitLab

An issue has been discovered in GitLab EE affecting all versions starting from 16.0 before 16.3.6, all versions starting from 16.4 before 16.4.2, all versions starting from 16.5 before 16.5.1. Arbitrary access to the titles of an private specific references could be leaked through the service-desk custom email template.

Affected

GitLab

CVSS v3.1 GITLAB

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

EPSS

0.27% chance of exploitation in the next 30 days, 19th percentile

Published

2025-06-20

Proof-of-concept exploits (1)

• https://hackerone.com/reports/2209702

Security advisories

• https://gitlab.com/gitlab-org/gitlab/-/issues/428268

References

• CVE Record
• NVD entry