What is CVE-2023-5600?

CVE-2023-5600 is a low-severity vulnerability in Gitlab, classified under Missing Authorization. CVSS score: 3.1/10. Published 2025-06-20.

How severe is CVE-2023-5600?

Low severity. CVSS v3 base score is 3.1 out of 10.

Auth bypass in Gitlab

CVE-2023-5600

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.

Vulnerability class: Broken Access Control

EPSS: 0.002 (13.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Gitlab — versions 16.4, 16.5.0, 16.5

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

cve@gitlab.com (issue-tracking, Exploit, permissions-required, Issue Tracking)
cve@gitlab.com (Permissions Required, technical-description, permissions-required, exploit)

Frequently asked questions

What is CVE-2023-5600?: CVE-2023-5600 is a low-severity vulnerability in Gitlab, classified under Missing Authorization. CVSS score: 3.1/10. Published 2025-06-20.
How severe is CVE-2023-5600?: Low severity. CVSS v3 base score is 3.1 out of 10.