CVE-2023-5600

LOW

GitLab 16.0.0-16.3.5, 16.4.0-16.4.1, 16.5.0 - Missing Authorization for Service-Desk Custom Email Template

Title source: llm
STIX 2.1

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)

Core 2
Core References
Exploit, Issue Tracking issue-tracking permissions-required
https://gitlab.com/gitlab-org/gitlab/-/issues/428268
Permissions Required technical-description exploit permissions-required
https://hackerone.com/reports/2209702

Scores

CVSS v3 3.1
EPSS 0.0006
EPSS Percentile 17.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-862
Status published
Products (2)
gitlab/gitlab 16.5.0
gitlab/gitlab 16.0.0 - 16.3.6
Published Jun 20, 2025
Tracked Since Feb 18, 2026