What is CVE-2026-6552?

CVE-2026-6552 is a high-severity vulnerability, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.7/10. Published 2026-06-11.

How severe is CVE-2026-6552?

High severity. CVSS v3 base score is 8.7 out of 10.

CVE-2026-6552

CVE-2026-6552

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…

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N.

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

cve@gitlab.com
cve@gitlab.com
cve@gitlab.com

Frequently asked questions

What is CVE-2026-6552?: CVE-2026-6552 is a high-severity vulnerability, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.7/10. Published 2026-06-11.
How severe is CVE-2026-6552?: High severity. CVSS v3 base score is 8.7 out of 10.