What is CVE-2026-105458?

CVE-2026-105458 is a medium-severity vulnerability in GitLab, classified under CWE-807. CVSS score: 4.3/10. Published 2026-10-13.

How severe is CVE-2026-105458?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in GitLab

CVE-2026-105458

GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user holding a specific granular permission to obtain a GitLab Duo Agent Platform token that bypasses governance controls, due to reliance on untrusted input in a security decision.

Published 2026-10-13 · last modified 2026-10-13.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/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

GitLab

Weakness classification (CWE)

CWE-807

References

Frequently asked questions

What is CVE-2026-105458?: CVE-2026-105458 is a medium-severity vulnerability in GitLab, classified under CWE-807. CVSS score: 4.3/10. Published 2026-10-13.
How severe is CVE-2026-105458?: Medium severity. CVSS v3 base score is 4.3 out of 10.