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      <title>CVE-2026-71327 — Traefik: Gateway API route identity collision allows cross-namespace backend hijacking</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-71327</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; traefik&lt;/p&gt;
&lt;p&gt;Traefik is an open source HTTP reverse proxy and load balancer. From 3.0.0 until 3.6.25 and 3.7.10, Traefik&amp;#39;s Kubernetes Gateway API provider in pkg/provider/kubernetes/gateway/httproute.go, grpcroute.go, tcproute.go, and tlsroute.go builds HTTPRoute, GRPCRoute, TCPRoute, and TLSRoute router and service identities by hyphen-concatenating namespace, route name, Gateway identity, entry point, and rule index, allowing colliding Routes to overwrite another namespace&amp;#39;s backend. This issue is fixed in 3.6.25 and 3.7.10.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; traefik&lt;/p&gt;
&lt;p&gt;Traefik is an open source HTTP reverse proxy and load balancer. From 3.0.0 until 3.6.25 and 3.7.10, Traefik&amp;#39;s Kubernetes Gateway API provider in pkg/provider/kubernetes/gateway/httproute.go, grpcroute.go, tcproute.go, and tlsroute.go builds HTTPRoute, GRPCRoute, TCPRoute, and TLSRoute router and service identities by hyphen-concatenating namespace, route name, Gateway identity, entry point, and rule index, allowing colliding Routes to overwrite another namespace&amp;#39;s backend. This issue is fixed in 3.6.25 and 3.7.10.&lt;/p&gt;</content:encoded>
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