CVE-2023-5600

Missing Authorization in GitLab

Published Jun 20, 2025 CVSS 3.1 · 3.1 Low EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

Upgrade to versions 16.5.1, 16.4.2, 16.3.6 or above.

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2023-57893 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.
History
Type Values Removed Values Added
CPEs cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:gitlab:gitlab:16.5.0:*:*:*:enterprise:*:*:*
Type Values Removed Values Added
Metrics epss

{'score': 0.00048}

epss

{'score': 0.00047}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Missing Authorization in GitLab
First Time appeared Gitlab
Gitlab gitlab
Weaknesses CWE-862
CPEs cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Vendors & Products Gitlab
Gitlab gitlab
References
Metrics cvssV3_1

{'score': 3.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitLab
Published
Updated
Jun 20, 2025, 7:52 PM
Reserved
Oct 16, 2023, 9:01 AM
Status
Analyzed
Published
Jun 20, 2025, 8:15 PM
Modified
Jun 17, 2026, 6:48 AM