GHSA-62FC-8686-HFMQ Traefik: `allowCrossNamespace=false` bypass via `@kubernetescrd` TraefikService backendRef

Summary There is a medium severity vulnerability in Traefik's Kubernetes CRD provider. When providers.kubernetesCRD.allowCrossNamespace is disabled — the default — cross-namespace @kubernetescrd references are rejected for middlewares, TLS options and HTTP/TCP ServersTransports, but the same...

Traefik: `allowCrossNamespace=false` bypass via `@kubernetescrd` TraefikService backendRef

Summary There is a medium severity vulnerability in Traefik's Kubernetes CRD provider. When providers.kubernetesCRD.allowCrossNamespace is disabled — the default — cross-namespace @kubernetescrd references are rejected for middlewares, TLS options and HTTP/TCP ServersTransports, but the same...

GHSA-FGJJ-PX3W-67XX Traefik: Gateway API route identity collision allows cross-namespace backend hijacking

Summary There is a high severity vulnerability in Traefik's Kubernetes Gateway API provider. Router and service identities for HTTPRoute, GRPCRoute, TCPRoute and TLSRoute objects were built by hyphen-concatenating the route namespace, the route name, the Gateway identity, the entry point and the...

Traefik: Gateway API route identity collision allows cross-namespace backend hijacking

Summary There is a high severity vulnerability in Traefik's Kubernetes Gateway API provider. Router and service identities for HTTPRoute, GRPCRoute, TCPRoute and TLSRoute objects were built by hyphen-concatenating the route namespace, the route name, the Gateway identity, the entry point and the...

EUVD-2026-54299

Traefik is an open source HTTP reverse proxy and load balancer. From 3.0.0 until 3.6.25 and 3.7.10, Traefik'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...

CVE-2026-71327

CVE-2026-71327 - Traefik Gateway API route identity collision . Affected: Traefik’s Kubernetes Gateway API provider (HTTPRoute, GRPCRoute, TCPRoute, TLSRoute) from 3.0.0 to 3.6.25 and 3.7.10. Root cause: identities are built by hyphen-concatenating namespace, route name, Gateway identity, entry p...

CVE-2026-71327 Traefik: Gateway API route identity collision allows cross-namespace backend hijacking

Traefik is an open source HTTP reverse proxy and load balancer. From 3.0.0 until 3.6.25 and 3.7.10, Traefik'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...

CVE-2026-71327 Traefik: Gateway API route identity collision allows cross-namespace backend hijacking

Traefik is an open source HTTP reverse proxy and load balancer. From 3.0.0 until 3.6.25 and 3.7.10, Traefik'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...

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

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...

CVE-2026-71325

Traefik exposes a cross-namespace bypass for TraefikService backends via @kubernetescrd references. The CVE affects Traefik’s Kubernetes CRD service resolver: when the reference name contains an @kubernetescrd, the resolver’s guard for cross-namespace references is not enforced for TraefikService...

EUVD-2026-54293

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...

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

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...

CVE-2026-7867

A flaw was found in udisks2. A local attacker with an active console session can exploit insufficient authorization checking on the 'as-user' option in the org.freedesktop.UDisks2.Filesystem.Mount D-Bus method. This allows the attacker to spoof the 'as-user' parameter, mounting filesystems on...

CVE-2026-7867

A flaw was found in udisks2. A local attacker with an active console session can exploit insufficient authorization checking on the 'as-user' option in the org.freedesktop.UDisks2.Filesystem.Mount D-Bus method. This allows the attacker to spoof the 'as-user' parameter, mounting filesystems on...

CVE-2026-7867

A flaw was found in udisks2. A local attacker with an active console session can exploit insufficient authorization checking on the 'as-user' option in the org.freedesktop.UDisks2.Filesystem.Mount D-Bus method. This allows the attacker to spoof the 'as-user' parameter, mounting filesystems on...

PT-2026-68821

Name of the Vulnerable Software and Affected Versions udisks2 affected versions not specified Description Insufficient authorization checking in the org.freedesktop.UDisks2.Filesystem.Mount D-Bus method allows a local attacker with an active console session to spoof the as-user parameter. This...

GHSA-42CJ-M3VJ-89WV Traefik CRD IngressRouteTCP ServersTransport Cross-Provider Namespace Bypass

Summary There is a medium-severity cross-provider reference vulnerability in Traefik's Kubernetes CRD provider. The crossProviderNamespaces allowlist is enforced for HTTP serversTransport references but was not enforced for IngressRouteTCP service serversTransport references. A low-privileged...

EUVD-2026-47645

Traefik Gateway API HTTPRoute BackendRef ExtensionRef Namespace Confusion...

GHSA-QQ9Q-X9W4-CHHJ Traefik Gateway API HTTPRoute BackendRef ExtensionRef Namespace Confusion

Summary There is a medium-severity namespace-confusion vulnerability in Traefik's Kubernetes Gateway API provider. When resolving HTTPRoute.spec.rules.backendRefs.filters.extensionRef, Traefik used the backend Service namespace instead of the HTTPRoute namespace. A low-privileged route author...

Traefik Gateway API HTTPRoute BackendRef ExtensionRef Namespace Confusion

Summary There is a medium-severity namespace-confusion vulnerability in Traefik's Kubernetes Gateway API provider. When resolving HTTPRoute.spec.rules.backendRefs.filters.extensionRef, Traefik used the backend Service namespace instead of the HTTPRoute namespace. A low-privileged route author...