CVE-2026-18433

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 read policy configuration belonging to a namespace they were not authorized to access, due to incorrect authorization checks in a GraphQL query.

CVSS v3.1

4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS

0.29% chance of exploitation in the next 30 days, 21th percentile

Published

2026-08-12

Updated

2026-08-13

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3776182

References

• CVE Record
• NVD entry

Related

• CVE-2026-18431
• CVE-2026-1844
• CVE-2026-18401
• CVE-2026-18464
• CVE-2026-18395
• CVE-2026-18465