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[ CVE-2026-122310 · Published 5 Nov 2026 ]

Vulnerability in kyverno

CVSS 9.9 No fix listed yet

[ Why it matters ]Priority signals

  • Critical severity: CVSS 9.9

[ Description ]Official description

Kyverno from 1.19.1 before 1.19.2 validates a Policy's context.apiCall urlPath after cleaning it but executes the raw path, whose fragment or query the Kubernetes client discards. A namespace-scoped user who can create a Policy can hide ../ segments behind # or ? to reach cluster-scoped endpoints with Kyverno's ServiceAccount, gaining cluster admin.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References