CVE-2026-6552
â ī¸ highSummary
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.
CVSS Score
8.7
High
EPSS Score
0.5
Exploit Probability
Published Date
2026-06-11
First Seen: 2026-06-12
đ Relative Risk Intelligence
This CVE is High Risk - more severe than 81.1% of all 329,456 vulnerabilities in our database.
#62,367
Top 25% most severe
Severity Percentile
đ¯ CISA SSVC Assessment Updated: Jun 11, 2026
đ Exploitation Status
None
No known exploits
âī¸ Automatable
NO
Requires human interaction
đĨ Technical Impact
Total
Complete system compromise possible
đ Discovered By
Thanks [cyberjoker](https://hackerone.com/cyberjoker) for reporting this vulnerability through our HackerOne bug bounty program
SSVC data provided by
CISA
Last Modified
2026-06-11
Source
NVD đ
CVSS Vector 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
CWE IDs (Weakness Types)