CVE-2025-4976

Public Exploit
Exposure of Sensitive Information Due to Incompatible Policies in GitLab

Description

An issue has been discovered in GitLab EE affecting all versions from 17.0 before 18.0.5, 18.1 before 18.1.3, and 18.2 before 18.2.1 that, under certain circumstances, could have allowed an attacker to access internal notes in GitLab Duo responses.

Remediation

Solution:

  • Upgrade to versions 18.0.5, 18.1.3, 18.2.1 or above.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/543905 issue tracking permissions required broken link
https://hackerone.com/reports/3149956 exploit permissions required technical description

Frequently Asked Questions

What is the severity of CVE-2025-4976?
CVE-2025-4976 has been scored as a medium severity vulnerability.
How to fix CVE-2025-4976?
To fix CVE-2025-4976: Upgrade to versions 18.0.5, 18.1.3, 18.2.1 or above.
Is CVE-2025-4976 being actively exploited in the wild?
It is possible that CVE-2025-4976 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-4976?
CVE-2025-4976 affects GitLab GitLab.
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