CVE-2026-6552
HighCVSS 8.7Exploitation Probability (EPSS)
Low risk1th percentile - higher than 1% of all known CVEs
Summary
GitLab has remediated an issue in GitLab EE affecting all versions from 15.5 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2. Under certain conditions, an authenticated user with the Owner role could take over another group member's GitLab account due to improper authorization in the Group SAML identity management functionality.
Risk Assessment
The organization may be at risk of account takeover, leading to data loss and privacy breaches. Such incidents can also impact the company's reputation and user trust.
Recommendation
It is recommended to update GitLab to the latest version to mitigate this vulnerability. Additionally, conduct an audit of user accounts to detect any potential unauthorized access.
Original NVD description (English source)
GitLab has remediated an issue in GitLab EE affecting all versions from 15.5 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 group Owner role to take over another group member's GitLab account due to improper authorization in the Group SAML identity management functionality.