Cilium node based network policies may incorrectly allow workload traffic

Impact Node based network policies fromNodes and toNodes will incorrectly permit traffic to/from non-node endpoints that share the labels specified in fromNodes and toNodes sections of network policies. Node based network policy is disabled by default in Cilium. Patches This issue was fixed by...

CVE-2025-30163

CVE-2025-30163 affects Cilium’s node-based network policies: policies using fromNodes/toNodes may incorrectly permit traffic to/from non-node endpoints sharing the same labels. Affected versions are Cilium v1.16.0–v1.16.7 and v1.17.0–v1.17.1; the issue is fixed in v1.16.8 and v1.17.2. Root cause:...