CVE-2026-6883 PUBLISHED

Missing Authorization in GitLab

Assigner: GitLab
Reserved: 22.04.2026 Published: 14.05.2026 Updated: 14.05.2026

GitLab has remediated an issue in GitLab EE affecting all versions from 15.7 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user to bypass merge request approval requirements due to improper cleanup of orphaned policy records.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
CVSS Score: 2.6

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

CVSS 3.1

Product Status

Vendor	GitLab
Product	GitLab
Versions	Default: unaffected affected from 15.7 to 18.9.7 (excl.) affected from 18.10 to 18.10.6 (excl.) affected from 18.11 to 18.11.3 (excl.)

Solutions

Upgrade to versions 18.9.7, 18.10.6, 18.11.3 or above.

Credits

This vulnerability has been discovered internally by GitLab team member Alan (Maciej) Paruszewski finder

References

Problem Types

CWE-862: Missing Authorization CWE