Database/Container, Kubernetes & orchestration

Cilium: CIDR ipBlock rules without selectors generate a wildcard, over-permitting traffic

CVE-2026-56743Container, Kubernetes & orchestrationcurated

Impact

CIDR ipBlock rules without selectors generate a wildcard, over-permitting traffic

Who can reach it

Any tenant workload

What to do

Rolling Cilium upgrade

References

https://nvd.nist.gov/vuln/detail/CVE-2026-56743

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.