CVE-2026-100703

Kyverno versions 1.16.0 through 1.19.0 are vulnerable to a cross-namespace data access issue due to the improper registration of the globalcontext.Lib CEL library . Unlike other sibling libraries, this component is not confined to the policy's namespace. A tenant with permissions to create a name...

CVE-2026-100703 Kyverno before 1.19.1 Cross-Namespace Data Access via globalcontext.Lib

Kyverno 1.16.0 through 1.19.0 registers the globalcontext.Lib CEL library in its policy environment without confining it to the policy's namespace, unlike the sibling libraries resource.Lib, http.Lib, configMap loader which are handed the policy namespace. A tenant who can create a namespaced...

Kyverno has SSRF via CEL http.Get/http.Post in NamespacedValidatingPolicy allows cross-namespace data access

Summary A Server-Side Request Forgery SSRF vulnerability in Kyverno's CEL HTTP library pkg/cel/libs/http/ allows users with namespace-scoped policy creation permissions to make arbitrary HTTP requests from the Kyverno admission controller. This enables unauthorized access to internal services in...