CVE-2023-5600

LOW

Gitlab < 16.3.6 - Missing Authorization

Title source: rule

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.

References (2)

[Exploit, Issue Tracking] https://gitlab.com/gitlab-org/gitlab/-/issues/428268

[Permissions Required] https://hackerone.com/reports/2209702

Scores

CVSS v3 3.1

EPSS 0.0004

EPSS Percentile 10.2%

Attack Vector NETWORK

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

Classification

CWE

CWE-862

Status published

Affected Products (2)

gitlab/gitlab < 16.3.6

gitlab/gitlab

Timeline

Published Jun 20, 2025

Tracked Since Feb 18, 2026