Database/Container, Kubernetes & orchestration

Istio: Envoy RBAC header matching flaw bypasses header-based authorization policy

CVE-2026-31838Container, Kubernetes & orchestrationcurated

Impact

Envoy RBAC header matching flaw bypasses header-based authorization policy

Who can reach it

Unauthenticated network

What to do

Rolling istiod and proxy upgrade

References

https://nvd.nist.gov/vuln/detail/CVE-2026-31838

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.