CVE-2025-6186

Name: CVE-2025-6186
Creator: NVD / NIST
Published: 2025-08-13T18:15:32.533+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.29%

Last modified Jun 17, 2026

CVE-2025-6186 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. An issue has been discovered in GitLab CE/EE affecting all versions from 18.1 before 18.1.4, and 18.2 before 18.2.2 that could have allowed authenticated users to achieve account takeover by injecting malicious HTML into work item names.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

Description

An issue has been discovered in GitLab CE/EE affecting all versions from 18.1 before 18.1.4, and 18.2 before 18.2.2 that could have allowed authenticated users to achieve account takeover by injecting malicious HTML into work item names.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.29%

20.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	>= 18.1.0, < 18.1.4
Gitlab	Gitlab	>= 18.2.0, < 18.2.2

References

https://gitlab.com/gitlab-org/gitlab/-/issues/549844Broken Link
https://hackerone.com/reports/3189522Permissions Required

Timeline

Published: Aug 13, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-6186?

How severe is CVE-2025-6186?

CVE-2025-6186 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.

How do I fix CVE-2025-6186?

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-2025-6186?

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

Scan your code now

Source: NVD / NIST