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CVE-2026-26963

MEDIUM

6.1

Description

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.

Details CVE

Score CVSS v3.16.1

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Vecteur d'attaqueADJACENT_NETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie2/20/2026

Derniere modification2/20/2026

Sourcenvd

Observations honeypot0

Produits affectes

cilium:cilium

Faiblesses (CWE)

CWE-863

References

https://github.com/cilium/cilium/commit/88e28e1e62c0b1a02c3f0fc22d888ac9eefbe885(security-advisories@github.com)

https://github.com/cilium/cilium/pull/42892(security-advisories@github.com)

https://github.com/cilium/cilium/releases/tag/v1.18.6(security-advisories@github.com)

https://github.com/cilium/cilium/security/advisories/GHSA-5r23-prx4-mqg3(security-advisories@github.com)

Correlations IOC

Aucune correlation enregistree

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