What’s Vulnerable › Vulnerabilities

CVE-2025-6769: Exposure of Sensitive System Information to an Unauthorized Control Sphere in GitLab

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-09-12 · updated 2026-10-19
• Weakness: CWE-497

Description

An issue has been discovered in GitLab CE/EE affecting all versions from 15.1 before 18.1.6, 18.2 before 18.2.6, and 18.3 before 18.3.2 that could have allowed authenticated users to view administrator-only maintenance notes by accessing runner details through specific interfaces.

Affected products

• GitLab: from 15.1.0 before 18.1.6; from 18.2.0 before 18.2.6; from 18.3.0 before 18.3.2 — fixed in 18.1.6, 18.2.6, 18.3.2

How to fix

Upgrade to a fixed version: GitLab 18.1.6, 18.2.6, 18.3.2. Check the vendor advisory for mitigations.

References

• https://about.gitlab.com/releases/2025/09/10/patch-release-gitlab-18-3-2-released/
• https://gitlab.com/gitlab-org/gitlab/-/issues/551957
• https://hackerone.com/reports/3173328

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