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CVE-2026-26963

Cilium may not enforce host firewall policies when Native Routing, WireGuard and Node Encryption are enabled PUBLISHED

Description (CNA)

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Versions 1.18.0 through 1.18.5 will incorrectly permit traffic from Pods on other nodes when Native Routing, WireGuard and Node Encryption are enabled. This issue has been fixed in version 1.18.6.

Affected (CNA)

Vendor / productVersions
cilium / ciliumaffected >= 1.18.0, < 1.18.6

CWE

CWE-863

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.