UpHeron
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Servers and applications

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.

Severity
Medium 4.3
Published
12 Aug 2026
Last changed
19 Aug 2026
Added to UpHeron
21 Oct 2026
Fixed in
19.1.4, 19.2.2
Sources
NVD

Affected software

SoftwareAffected versions
GitLabServers and applications · cpe:a:gitlab:gitlab
  • From 19.1.0 before 19.1.4
  • From 19.2.0 before 19.2.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-18433
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-18433