CVE-2023-5600

Name: CVE-2023-5600
Creator: NVD / NIST
Published: 2025-06-20T20:15:26.86+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.1/10EPSS 0.22%

Last modified Jun 17, 2026

CVE-2023-5600 is a low-severity vulnerability rated 3.1/10 on the CVSS scale. 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.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

3.1/10

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

EPSS Probability

0.22%

12.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-862

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	>= 16.0.0, < 16.3.6
Gitlab	Gitlab	>= 16.4.0, < 16.4.2
Gitlab	Gitlab	16.5.0

References

https://gitlab.com/gitlab-org/gitlab/-/issues/428268Exploit, Issue Tracking
https://hackerone.com/reports/2209702Permissions Required

Timeline

Published: Jun 20, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-5600?

How severe is CVE-2023-5600?

CVE-2023-5600 has a CVSS score of 3.1/10 (LOW severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.

How do I fix CVE-2023-5600?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-5600?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST