CVE-2026-53935: fallo de gravedad media en cilium
CiliumLocalRedirectPolicy addressMatcher allows cross-namespace service traffic hijacking and can break service translation
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
13Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 6.9epss 0.3%
Cilium is a networking, observability, and security solution. Prior to 1.17.16, from 1.18.2 to 1.18.9, and from 1.19.0 to 1.19.3, users with the ability to create CiliumLocalRedirectPolicies can specify arbitrary ClusterIPs via addressMatcher, enabling hijacking traffic to Services in any namespace and bypassing namespace scoping enforced by serviceMatcher; deleting such a policy can also corrupt Cilium internal service state and stop service translation for the affected Service. This issue is fixed in versions 1.17.16, 1.18.10, and 1.19.4.
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:H
Productos afectados
cilium · ciliumCVEs relacionadas — cilium
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Referencias
https://github.com/cilium/cilium/commit/81d446395673dc2c684c047c12715caffac1a351https://github.com/cilium/cilium/commit/92ca32eda85aa0c7611c28221cc26fa08be17ebchttps://github.com/cilium/cilium/commit/fe7eb53c7aac9fa7ec610b1975d73fbbb198c66dhttps://github.com/cilium/cilium/pull/45412https://github.com/cilium/cilium/pull/45584https://github.com/cilium/cilium/pull/45585https://github.com/cilium/cilium/security/advisories/GHSA-q6h5-q3q6-f87x