CVE-2025-6945

Name: CVE-2025-6945
Creator: NVD / NIST
Published: 2025-11-15T08:15:46.28+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.5/10EPSS 0.23%

Last modified Jun 17, 2026

CVE-2025-6945 is a low-severity vulnerability rated 3.5/10 on the CVSS scale. GitLab has remediated an issue in GitLab EE affecting all versions from 17.8 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated attacker to leak sensitive information from confidential issues by injecting hidden prompts into merge request comments.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

Description

GitLab has remediated an issue in GitLab EE affecting all versions from 17.8 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated attacker to leak sensitive information from confidential issues by injecting hidden prompts into merge request comments.

Metrics

CVSS 3.1

3.5/10

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

EPSS Probability

0.23%

14.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-77

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	>= 17.9.0, < 18.3.6
Gitlab	Gitlab	>= 18.4.0, < 18.4.4
Gitlab	Gitlab	>= 18.5.0, < 18.5.2

References

https://about.gitlab.com/releases/2025/11/12/patch-release-gitlab-18-5-2-released/Release Notes, Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/552611Broken Link
https://hackerone.com/reports/3173458Permissions Required

Timeline

Published: Nov 15, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-6945?

How severe is CVE-2025-6945?

CVE-2025-6945 has a CVSS score of 3.5/10 (LOW severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.

How do I fix CVE-2025-6945?

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-2025-6945?

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

Scan your code now

Source: NVD / NIST