GHSA-w3hj-rrr2-7gppHighCVSS 8.5
Kyverno from 1.17.0 before 1.19.2 contains a missing authorization vulnerability in the mutate...
🔗 CVE IDs covered (1)
📋 Description
Kyverno from 1.17.0 before 1.19.2 contains a missing authorization vulnerability in the mutate-existing background processor that allows namespaced tenants to modify resources outside their namespace. Attackers can create a NamespacedMutatingPolicy targeting Namespace objects or victim-namespace resources via CEL expressions, making the background-controller ServiceAccount strip Pod Security labels cluster-wide.
🔗 References (4)
- https://github.com/kyverno/kyverno/security/advisories/GHSA-vm98-8c25-h274
- https://nvd.nist.gov/vuln/detail/CVE-2026-122316
- https://www.vulncheck.com/advisories/kyverno-1.17.0-before-1.19.2-cross-namespace-write-via-namespacedmutatingpolicy-mutateexisting
- https://github.com/advisories/GHSA-w3hj-rrr2-7gpp