CVE-2026-48020 Traefik StripPrefix Route-Level Auth Bypass via Path Normalization

Traefik is an HTTP reverse proxy and load balancer. Prior to 2.11.48, 3.6.19, and 3.7.3, there is a high severity vulnerability in Traefik's StripPrefix middleware that allows an unauthenticated attacker to bypass route-level authentication and authorization. When a public router matches on a...

CVE-2023-54365

Traefik before 2.10.5 and 3.0.0-beta4 is affected by a denial-of-service vulnerability in HTTP/2 request handling inherited from the Go standard library's HTTP/2 implementation CVE-2023-44487 / CVE-2023-39325, the 'Rapid Reset' technique. A remote attacker can rapidly create and cancel HTTP/2...

CVE-2023-54365

The CVE covers Traefik versions prior to 2.10.5 and 3.0.0-beta4 affected by a denial-of-service in HTTP/2 request handling derived from the Go standard library’s HTTP/2 implementation (the Rapid Reset technique). A remote attacker can rapidly create and cancel HTTP/2 streams, exhausting server re...

CVE-2023-54365 Traefik - Denial of Service via HTTP/2 Request Handling

Traefik before 2.10.5 and 3.0.0-beta4 is affected by a denial-of-service vulnerability in HTTP/2 request handling inherited from the Go standard library's HTTP/2 implementation CVE-2023-44487 / CVE-2023-39325, the 'Rapid Reset' technique. A remote attacker can rapidly create and cancel HTTP/2...

EUVD-2023-60596

Traefik before 2.10.5 and 3.0.0-beta4 is affected by a denial-of-service vulnerability in HTTP/2 request handling inherited from the Go standard library's HTTP/2 implementation CVE-2023-44487 / CVE-2023-39325, the 'Rapid Reset' technique. A remote attacker can rapidly create and cancel HTTP/2...

CVE-2023-54365 Traefik - Denial of Service via HTTP/2 Request Handling

Traefik before 2.10.5 and 3.0.0-beta4 is affected by a denial-of-service vulnerability in HTTP/2 request handling inherited from the Go standard library's HTTP/2 implementation CVE-2023-44487 / CVE-2023-39325, the 'Rapid Reset' technique. A remote attacker can rapidly create and cancel HTTP/2...

CVE-2023-54365

Traefik before 2.10.5 and 3.0.0-beta4 is affected by a denial-of-service vulnerability in HTTP/2 request handling inherited from the Go standard library's HTTP/2 implementation CVE-2023-44487 / CVE-2023-39325, the 'Rapid Reset' technique. A remote attacker can rapidly create and cancel HTTP/2...

CVE-2023-54365 Traefik - Denial of Service via HTTP/2 Request Handling

Traefik before 2.10.5 and 3.0.0-beta4 is affected by a denial-of-service vulnerability in HTTP/2 request handling inherited from the Go standard library's HTTP/2 implementation CVE-2023-44487 / CVE-2023-39325, the 'Rapid Reset' technique. A remote attacker can rapidly create and cancel HTTP/2...

CVE-2026-41178 vulnerabilities

Vulnerabilities for packages: kubescape-server-fips, terraform-provider-acme-fips, docker-compose-fips, cluster-api-provider-vsphere, crossplane-provider-aws-s3, k8s-image-swapper, k8sgpt, temporal-server, vault-secrets-operator, cadence-fips, crossplane-provider-aws-ecs, velero, tkn,...

Traefik Kubernetes Ingress NGINX provider fails open when auth-secret resolution fails

Summary There is a medium severity vulnerability in Traefik's Kubernetes Ingress NGINX provider that causes affected routes to fail open. When an Ingress explicitly enables BasicAuth or DigestAuth through the supported nginx.ingress.kubernetes.io/auth-type and auth-secret annotations, but the...

GHSA-4MR2-FG2P-W63C Traefik Kubernetes Ingress NGINX provider fails open when auth-secret resolution fails

Summary There is a medium severity vulnerability in Traefik's Kubernetes Ingress NGINX provider that causes affected routes to fail open. When an Ingress explicitly enables BasicAuth or DigestAuth through the supported nginx.ingress.kubernetes.io/auth-type and auth-secret annotations, but the...

Exploit for CVE-2026-54761

CVE-2026-54761: Traefik Kubernetes Gateway crossProviderNamesp...

PT-2026-51068

Name of the Vulnerable Software and Affected Versions Traefik versions 3.7.0-ea.1 through 3.7.4 Description A fail-open authentication issue exists in the Kubernetes Ingress NGINX provider. When an Ingress explicitly enables BasicAuth or DigestAuth using the nginx.ingress.kubernetes.io/auth-type...

traefik-3.7.5-1.1 on GA media (moderate)

traefik-3.7.5-1.1 on GA media Announcement ID: openSUSE-SU-2026:11047-1 Rating: moderate Cross-References: CVE-2026-48020 CVE-2026-48491 CVE-2026-53622 Affected Products: openSUSE Tumbleweed An update that solves 3 vulnerabilities can now be installed. Description: These are all security issues...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the evaluation of the crossProviderNamespaces allowlist within the Kubernetes Gateway provider. An attacker can gain unauthorized access to internal services by creating an HTTPRoute in a non-allow-listed...

GHSA-3G6V-2R68-PRFC Traefik: Kubernetes Gateway crossProviderNamespaces bypass allows HTTPRoute outside the allowlist to expose internal Traefik services

Summary There is a high severity vulnerability in Traefik's Kubernetes Gateway provider affecting the crossProviderNamespaces allowlist. For HTTPRoute rules that declare multiple WRR backendRefs, Traefik evaluates the allowlist against the target backendRef.namespace instead of the route's own...

Traefik: Kubernetes Gateway crossProviderNamespaces bypass allows HTTPRoute outside the allowlist to expose internal Traefik services

Summary There is a high severity vulnerability in Traefik's Kubernetes Gateway provider affecting the crossProviderNamespaces allowlist. For HTTPRoute rules that declare multiple WRR backendRefs, Traefik evaluates the allowlist against the target backendRef.namespace instead of the route's own...

PT-2026-50495

Name of the Vulnerable Software and Affected Versions Traefik versions prior to 3.6.21 Traefik versions prior to 3.7.5 Description An issue exists in the Kubernetes Gateway provider regarding the crossProviderNamespaces allowlist. When HTTPRoute rules declare multiple backendRefs Weighted Round...

OPENSUSE-SU-2026:11047-1 traefik-3.7.5-1.1 on GA media

These are all security issues fixed in the traefik-3.7.5-1.1 package on the GA media of openSUSE Tumbleweed...

traefik2-2.11.50-1.1 on GA media (moderate)

traefik2-2.11.50-1.1 on GA media Announcement ID: openSUSE-SU-2026:11045-1 Rating: moderate Cross-References: CVE-2026-48020 Affected Products: openSUSE Tumbleweed An update that solves one vulnerability can now be installed. Description: These are all security issues fixed in the...