CVE-2026-19228 PUBLISHED

Authorization Bypass Through User-Controlled Key in GitLab

Assigner: GitLab
Reserved: 07.08.2026 Published: 12.08.2026 Updated: 13.08.2026

GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.1.4 and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user to cause AI usage to be attributed to another namespace, due to improper authorization of identity information supplied in requests.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L
CVSS Score: 8.5

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

CVSS 3.1

Product Status

Vendor	GitLab
Product	GitLab
Versions	Default: unaffected affected from 19.1 to 19.1.4 (excl.) affected from 19.2 to 19.2.2 (excl.)

Solutions

Upgrade to versions 19.1.4, 19.2.2 or above.

Credits

This vulnerability has been discovered internally by GitLab team member Dennis Appelt finder

References

Problem Types

CWE-639: Authorization Bypass Through User-Controlled Key CWE