CVE-2026-71325

CVE-2026-71325 · Traefik: `allowCrossNamespace=false` bypass via `@kubernetescrd` TraefikService backendRef

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Traefik is an open-source edge router that makes publishing services a fun and easy experience. Prior to 2.11.54, 3.6.25, and 3.7.10, cross-namespace @kubernetescrd references are not rejected for TraefikService backend references resolved by the service resolver. A tenant confined by RBAC to a single namespace can therefore bind its own router to a TraefikService owned by another namespace and expose or reroute that namespace's backend, defeating the namespace isolation allowCrossNamespace=false is meant to enforce. This issue is fixed in version 2.11.54, 3.6.25, 3.7.10.

CVSS 4.8 · Средний · EPSS 0,2%

Опубликовано

2026-08-06T16:24:56.606Z

Обновлено

2026-08-07T17:09:50.885Z

Стек: web

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