CLEANSTART-2026-QS30975 Contour is a Kubernetes ingress controller using Envoy proxy

CVE-2026-50149 affects multiple packages. Contour is a Kubernetes ingress controller using Envoy proxy. See references for individual vulnerability details...

CLEANSTART-2026-CF12718 Contour is a Kubernetes ingress controller using Envoy proxy

CVE-2026-41246 affects multiple packages. Contour is a Kubernetes ingress controller using Envoy proxy. See references for individual vulnerability details...

CVE-2026-94197

An authentication and authorization bypass vulnerability exists in F5 NGINX Kubernetes Ingress Controller NIC when configured with the ExternalAuth policy or Ingress external authentication. Client-supplied X-Forwarded-Prefix, X-Forwarded-URI, X-Original-URI, and X-Forwarded-Method routing and...

CVE-2026-94197 NGINX Ingress Controller vulnerability

An authentication and authorization bypass vulnerability exists in F5 NGINX Kubernetes Ingress Controller NIC when configured with the ExternalAuth policy or Ingress external authentication. Client-supplied X-Forwarded-Prefix, X-Forwarded-URI, X-Original-URI, and X-Forwarded-Method routing and...

EUVD-2026-101118

An authentication and authorization bypass vulnerability exists in F5 NGINX Kubernetes Ingress Controller NIC when configured with the ExternalAuth policy or Ingress external authentication. Client-supplied X-Forwarded-Prefix, X-Forwarded-URI, X-Original-URI, and X-Forwarded-Method routing and...

CVE-2026-94197

An authentication and authorization bypass vulnerability exists in the F5 NGINX Ingress Controller when configured with the ExternalAuth policy or Ingress external authentication. The root cause is the unsanitized forwarding of client-supplied headers, specifically X-Forwarded-Prefix , X-Forwarde...

PT-2026-114352

Name of the Vulnerable Software and Affected Versions F5 NGINX Kubernetes Ingress Controller versions 5.5.0 through 5.6.x Description An authentication and authorization bypass exists when the system is configured with the ExternalAuth policy or Ingress external authentication. The controller...

CVE-2026-50149: Improper Certificate Validation

Contour is a Kubernetes ingress controller using Envoy proxy. In versions 1.23.0 through 1.33.4, when an HTTPProxy is configured with incompatible combination of both .spec.virtualhost.tls.enableFallbackCertificate: true and .spec.virtualhost.jwtProviders, Contour does not reject the configuratio...

CVE-2026-15228

Kong Kubernetes Ingress Controller (KIC) is affected by CVE-2026-15228: a user with namespace-scoped Secret creation privileges can trigger a cluster-wide Denial of Service in ingress configuration. KIC collects CA-certificate Secrets across all watched namespaces using a label selector with no i...

EUVD-2026-50353

Kong Kubernetes Ingress Controller KIC allows a user with namespace-scoped Secret creation privileges to cause a cluster-wide ingress configuration denial of service. KIC collects CA-certificate Secrets across all watched namespaces using a label selector alone, without ingress-class or namespace...

CVE-2026-15228: Missing Authorization

Kong Kubernetes Ingress Controller KIC allows a user with namespace-scoped Secret creation privileges to cause a cluster-wide ingress configuration denial of service. KIC collects CA-certificate Secrets across all watched namespaces using a label selector alone, without ingress-class or namespace...

CVE-2026-16543: Missing Authorization

Kong Operator's embedded Kong Kubernetes Ingress Controller KIC allows a user with namespace-scoped Secret creation privileges to cause a cluster-wide ingress configuration denial of service. The embedded KIC collects CA-certificate Secrets across all watched namespaces using a label selector...

Insertion of Sensitive Information Into Sent Data

Overview Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data via the diagnostics endpoint. An attacker can obtain sensitive secret-backed plugin configuration data by accessing this endpoint. Remediation Upgrade...

Insertion of Sensitive Information Into Sent Data

Overview Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data via the diagnostics endpoint. An attacker can obtain sensitive secret-backed plugin configuration data by accessing this endpoint. Remediation There is no fixed version for...

CVE-2025-59303: Incomplete Filtering of Special Elements

HAProxy Kubernetes Ingress Controller before 3.1.13, when the config-snippets feature flag is used, accepts config snippets from users with create/update permissions. This can result in obtaining an ingress token secret as a response. The fixed versions of HAProxy Enterprise Kubernetes Ingress...

EUVD-2025-33296

HAProxy Kubernetes Ingress Controller before 3.1.13, when the config-snippets feature flag is used, accepts config snippets from users with create/update permissions. This can result in obtaining an ingress token secret as a response. The fixed versions of HAProxy Enterprise Kubernetes Ingress...

Incomplete Filtering of Special Elements

Overview Affected versions of this package are vulnerable to Incomplete Filtering of Special Elements in the config-snippets feature flag. An attacker can access sensitive environment variables, including the Kubernetes service account token secret, by injecting arbitrary HAProxy directives. Note...

CVE-2021-32783

Contour is a Kubernetes ingress controller using Envoy proxy. In Contour before version 1.17.1 a specially crafted ExternalName type Service may be used to access Envoy's admin interface, which Contour normally prevents from access outside the Envoy container. This can be used to shut down Envoy...

Security Bulletin: IBM Cloud Kubernetes Service is affected by Kubernetes Ingress Controller security vulnerabilities (CVE-2023-5043, CVE-2023-5044, CVE-2022-4886)

Summary IBM Cloud Kubernetes Service is affected by Kubernetes Ingress Controller security vulnerabilities where a user that can create or update Ingress objects can use the nginx.ingress.kubernetes.io/configuration-snippet annotation CVE-2023-5043 or the...

CVE-2021-32783 Authorization bypass in Contour

Contour is a Kubernetes ingress controller using Envoy proxy. In Contour before version 1.17.1 a specially crafted ExternalName type Service may be used to access Envoy's admin interface, which Contour normally prevents from access outside the Envoy container. This can be used to shut down Envoy...