Auth bypass in GitLab

CVE-2026-92874

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.3 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain conditions could have allowed an authenticated user with an MCP-scoped token to perform actions beyond the intended scope of that token due to improper authorization checks.

Vulnerability class: Broken Access Control

Published .

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-92874?
CVE-2026-92874 is a medium-severity vulnerability in GitLab, classified under Incorrect Authorization. CVSS score: 5.4/10. Published 2026-09-24.
How severe is CVE-2026-92874?
Medium severity. CVSS v3 base score is 5.4 out of 10.