CVE-2026-4524

Name: CVE-2026-4524
Creator: NVD / NIST
Published: 2026-05-14T06:16:23.677+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.29%

Last modified Jun 17, 2026

CVE-2026-4524 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.9.1 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user to access confidential issue content in public projects without proper authorization due to improper authorization checks.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.9.1 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user to access confidential issue content in public projects without proper authorization due to improper authorization checks.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.29%

20.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-288

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	>= 18.9.1, < 18.9.7
Gitlab	Gitlab	>= 18.10.0, < 18.10.6
Gitlab	Gitlab	>= 18.11.0, < 18.11.3

References

https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/Release Notes
https://gitlab.com/gitlab-org/gitlab/-/work_items/594295Broken Link
https://hackerone.com/reports/3597717Permissions Required

Timeline

Published: May 14, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-4524?

How severe is CVE-2026-4524?

CVE-2026-4524 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.

How do I fix CVE-2026-4524?

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-2026-4524?

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

Scan your code now

Source: NVD / NIST