CVE-2026-6269
MediumCVSS 5.4Exploitation Probability (EPSS)
Low risk22th percentile — higher than 22% of all known CVEs
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.10 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2. Under certain conditions, an authenticated user with developer-role permissions could modify hidden merge requests due to incorrect authorization enforcements.
Risk Assessment
The organization may be exposed to unauthorized modifications of hidden merge requests, potentially leading to unintended code changes and security vulnerabilities.
Recommendation
It is recommended to update GitLab to the latest version to mitigate this vulnerability and review the permissions of users with developer roles.
Original NVD description (English source)
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.10 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to modify hidden merge requests due to incorrect authorization enforcements.