Kyverno from 1.19.1 before 1.19.2 contains an authorization bypass vulnerability in the apiCall namespace clamp that allows namespace tenants to…
Kyverno from 1.19.1 before 1.19.2 contains an authorization bypass vulnerability in the apiCall namespace clamp that allows namespace tenants to issue cross-namespace and cluster-scoped API requests by appending malformed percent-escapes to urlPath. Attackers can create namespaced Policies whose apiCall runs as the admission-controller ServiceAccount to read other namespaces' resources and create mutating webhooks, escalating to cluster admin.
Read at NIST National Vulnerability Database (CVE API 2.0)
- Vendor
- Kyverno
- Product
- kyverno
- CVSS v3.1
- 9.9 AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Weakness
- CWE-441
- NVD status
- Received
Why it ranks 33 (Notable)
- CVSS v3.1 9.9 critical
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.