Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-122312

Kyverno from 1.19.1 before 1.19.2 contains a namespace isolation bypass in APICall Fetch() in pkg/engine/apicall/apiCall.go because path.Clean treats '?' as a path character, letting the namespace regex match segments inside the query string. Users who can create namespaced policies can supply a URLPath like /api/v1/nodes?x=/namespaces/default/ that passes validation while client-go requests the cluster-scoped endpoint, reading resources outside their namespace.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 24.2%
CVSS Severity
CVSS v3 Score 7.7
Products affected by CVE-2026-122312


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