Database/Container, Kubernetes & orchestration
Istio: A RequestAuthentication jwksUri pointed at an internal service makes istiod issue an unauthenticated request
CVSS 5.0CVE-2026-41413Container, Kubernetes & orchestrationcurated
Impact
A RequestAuthentication jwksUri pointed at an internal service makes istiod issue an unauthenticated request; SSRF from the control plane
Who can reach it
Cluster user with namespace access
What to do
Rolling istiod upgrade to 1.28.6/1.29.2+
References
Related entries
- Istio: With AUTO_PASSTHROUGH gateways, an external client reaches arbitrary in-cluster services, bypassingCVE-2021-31921 · IstioCritical
- Istio: Gateway/DestinationRule credentialName can read TLS secrets from other namespacesCVE-2021-34824 · IstioHigh
- Istio: When JWKS resolution fails, istiod falls back to hardcoded defaults, weakening JWT validationCVE-2026-31837 · IstioHigh
- Istio: Case-sensitivity mismatch in host matching bypasses authorization policyCVE-2021-39155 · IstioHigh
- Istio: Host header with a port bypasses AuthorizationPolicy host matchingCVE-2021-39156 · IstioHigh
- Istio: Localhost access to the istiod pod lets a user impersonate any workload identity in the meshCVE-2022-39388 · IstioHigh
This entry is curated: imported from vendor advisories with machine assistance, not yet individually verified. Confirm against your vendor's advisory before acting, and report anything wrong.