CVE-2026-54246

Skipper is an HTTP router and reverse proxy for service composition. Prior to 0.27.13, the routesrv component serves cluster-wide control-plane data without application-layer authentication through /routes, /routes/zone, /swarm/redis/shards, and /swarm/valkey/shards. The handlers registered in...

CVE-2026-54246

CVE-2026-54246 affects the routesrv component of Skipper (Zalando's HTTP router and reverse proxy). Prior to version 0.27.13 , routesrv serves cluster-wide control-plane data—Ingress/RouteGroup backend URLs, filter-chain and OAuth/OIDC path details, and Redis/Valkey shard addresses—over plain HTT...

CVE-2026-54246 Skipper routesrv-no-auth: All routesrv API Endpoints Lack Authentication

Skipper is an HTTP router and reverse proxy for service composition. Prior to 0.27.13, the routesrv component serves cluster-wide control-plane data without application-layer authentication through /routes, /routes/zone, /swarm/redis/shards, and /swarm/valkey/shards. The handlers registered in...

CVE-2026-54246 Skipper routesrv-no-auth: All routesrv API Endpoints Lack Authentication

Skipper is an HTTP router and reverse proxy for service composition. Prior to 0.27.13, the routesrv component serves cluster-wide control-plane data without application-layer authentication through /routes, /routes/zone, /swarm/redis/shards, and /swarm/valkey/shards. The handlers registered in...

GO-2026-6018 Skipper's routesrv-no-auth component: All routesrv API Endpoints Lack Authentication in github.com/zalando/skipper

Skipper's routesrv-no-auth component: All routesrv API Endpoints Lack Authentication in github.com/zalando/skipper...

Skipper's routesrv-no-auth component: All routesrv API Endpoints Lack Authentication

Description The routesrv component exposes the full cluster route topology Ingress/RouteGroup configurations, backend URLs, filter chains, OAuth/OIDC callback paths and cache-cluster topology Redis/Valkey shard addresses over plain HTTP with zero authentication. Any pod in the Kubernetes cluster...

GHSA-5587-2X54-JJ6H Skipper's routesrv-no-auth component: All routesrv API Endpoints Lack Authentication

Description The routesrv component exposes the full cluster route topology Ingress/RouteGroup configurations, backend URLs, filter chains, OAuth/OIDC callback paths and cache-cluster topology Redis/Valkey shard addresses over plain HTTP with zero authentication. Any pod in the Kubernetes cluster...

PT-2026-60892

Name of the Vulnerable Software and Affected Versions Skipper affected versions not specified Description The routesrv component exposes sensitive cluster-wide routing and cache infrastructure data over plain HTTP without any authentication. This allows any pod within the Kubernetes cluster to...