CVE-2026-105458 PUBLISHED

Reliance on Untrusted Inputs in a Security Decision in GitLab

Assigner: GitLab
Reserved: 05.10.2026 Published: 13.10.2026 Updated: 13.10.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS Score: 4.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	Low	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	GitLab
Product	GitLab
Versions	Default: unaffected affected from 19.1 to 19.2.8 (excl.) affected from 19.3 to 19.3.5 (excl.) affected from 19.4 to 19.4.2 (excl.)

Solutions

Upgrade to versions 19.2.8, 19.3.5, 19.4.2 or above.

Credits

This vulnerability has been discovered internally by a GitLab team member Rahul Barnwal. finder

References

Problem Types

CWE-807: Reliance on Untrusted Inputs in a Security Decision CWE