CVE-2026-18433

4.3 mediumEPSS 0.4%

Medium (4.3) in gitlab gitlab. EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

4.3 medium

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 33% of CVEs (scores of 2026-10-31)
CWE: CWE-863
Published: 2026-08-12
Modified: 2026-08-19
Record from: the NVD, synced 2026-10-19

Affected

gitlab:gitlab

References

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-2-released/
https://gitlab.com/gitlab-org/gitlab/-/work_items/607556
https://hackerone.com/reports/3776182

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