MEDIUMGo →
Cilium may unexpectedly allow ingress traffic from the local namespace when a Kubernetes NetworkPolicy is configured with an ipBlock match
Cilium may unexpectedly allow ingress traffic from the local namespace when a Kubernetes NetworkPolicy is configured with an ipBlock match
Affected packages
- github.com/cilium/cilium
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://github.com/cilium/cilium/security/advisories/GHSA-fm8w-2m5w-9j7r
- https://nvd.nist.gov/vuln/detail/CVE-2026-56743
- https://github.com/cilium/cilium/pull/46305
- https://github.com/cilium/cilium/pull/46456
- https://github.com/cilium/cilium/commit/1c84ae3b58a7cd54f7ee355e6c524c82f620eae8
- https://github.com/cilium/cilium/commit/bacea640404c0805c23515353dc1681c5bf35171
- https://github.com/cilium/cilium
- https://github.com/cilium/cilium/releases/tag/v1.19.5
Structured record: https://osv.dev/vulnerability/GHSA-fm8w-2m5w-9j7r
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