CVE-2026-85594 Traefik v3.7.1 crossProviderNamespaces Bypass via Service Middleware

Traefik versions from v3.7.1 fail to enforce crossProviderNamespaces restrictions on the traefik.ingress.kubernetes.io/service.middlewares Service annotation in the Kubernetes Ingress provider. A namespace-limited tenant excluded from the allowlist can attach an operator-owned middleware to its...

CVE-2026-85594 Traefik v3.7.1 crossProviderNamespaces Bypass via Service Middleware

Traefik versions from v3.7.1 fail to enforce crossProviderNamespaces restrictions on the traefik.ingress.kubernetes.io/service.middlewares Service annotation in the Kubernetes Ingress provider. A namespace-limited tenant excluded from the allowlist can attach an operator-owned middleware to its...

CVE-2026-85594

Traefik versions from v3.7.1 fail to enforce crossProviderNamespaces restrictions on the traefik.ingress.kubernetes.io/service.middlewares Service annotation in the Kubernetes Ingress provider . A namespace-limited tenant excluded from the allowlist can attach an operator-owned middleware to its ...

PT-2026-85494

Traefik versions from v3.7.1 fail to enforce crossProviderNamespaces restrictions on the traefik.ingress.kubernetes.io/service.middlewares Service annotation in the Kubernetes Ingress provider. A namespace-limited tenant excluded from the allowlist can attach an operator-owned middleware to its...

PT-2026-85496

Traefik versions = v3.7.0 and = v3.7.10 contain an authentication bypass in the Kubernetes Ingress NGINX provider. The TLS option generated for an Ingress carrying the nginx.ingress.kubernetes.io/auth-tls-secret annotation was named after the Ingress namespace and name. As a result, two Ingress...

Linux Distros Unpatched Vulnerability : CVE-2026-80846

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfrm: drop ESP-in-TCP packets with no ingress device ESP-in-TCP receives records through the TCP strparser. handleesp restores skb-dev from the saved skbiif...

GHSA-FM8W-2M5W-9J7R Cilium may unexpectedly allow ingress traffic from the local namespace when a Kubernetes NetworkPolicy is configured with an ipBlock match

Impact Standard Kubernetes NetworkPolicy specifications using CIDR-based ipBlock rules without pod or namespace selectors erroneously generate a wildcard namespace allow rule under specific cluster configurations. When Cilium deployment is configured with a specific custom clusterName rather than...

CVE-2026-77180

When NGINX Ingress Controller is configured with Ingress annotations, an injection vulnerability exists in the configuration generator of NGINX Ingress Controller. Multiple user-controllable fields are written into the generated NGINX configuration without sanitization. An authenticated attacker...

CVE-2026-77180

NGINX Ingress Controller is vulnerable to a configuration injection flaw (CWE-76) in its configuration generator. Multiple user-controllable Ingress annotation fields are written into the generated NGINX configuration without sanitization , allowing an authenticated attacker with Kubernetes API w...

EUVD-2026-70141

When NGINX Ingress Controller is configured with Ingress annotations, an injection vulnerability exists in the configuration generator of NGINX Ingress Controller. Multiple user-controllable fields are written into the generated NGINX configuration without sanitization. An authenticated attacker...

CVE-2026-77180 NGINX Ingress Controller vulnerability

When NGINX Ingress Controller is configured with Ingress annotations, an injection vulnerability exists in the configuration generator of NGINX Ingress Controller. Multiple user-controllable fields are written into the generated NGINX configuration without sanitization. An authenticated attacker...

K000162601: NGINX Ingress Controller vulnerability CVE-2026-77180

Security Advisory Description When NGINX Ingress Controller is configured with Ingress annotations, an injection vulnerability exists in the configuration generator of NGINX Ingress Controller. Multiple user-controllable fields are written into the generated NGINX configuration without...

Ingress-Nginx Controller - Remote Code Execution

A security issue was discovered in Kubernetes where under certain conditions, an unauthenticated attacker with access to the pod network can achieve arbitrary code execution in the context of the ingress-nginx controller. This can lead to disclosure of Secrets accessible to the controller. Note...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftchainfilter: handling of NETDEVUNREGISTER for the inet/ingress basechain. Remove netdevice from the inet/ingress basechain in case NETDEVUNREGISTER event is reported; otherwise, a stale reference to netdevice remain...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/sched: Only allow actct to bind to clsact/ingress qdiscs and shared blocks. As Paolo mentioned earlier 1: “Since the problematic commit below, classify can return TCACTCONSUMED while holding the current skb that is managed by...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Net: Bridge: VLAN: Fixed memory leak in allowedingress. When using per-VLAN state, if VLAN snooping and stats are disabled, untagged or priority-tagged ingress frames will go through the pVID state check. If the port state is...

GO-2026-6094 vulnerabilities

Vulnerabilities for packages: cert-manager-istio-csr, kubernetes-csi-external-resizer, rancher-system-agent, cluster-api-provider-vsphere, kapp-controller, emissary, cert-manager-webhook-pdns, fluent-operator, rancher, kubescape-operator, apisix-ingress-controller, datadog-agent,...

CVE-2026-50149

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-2026-50149

Contour (Kubernetes ingress controller using Envoy proxy) versions 1.23.0 through 1.33.4 contain a JWT verification bypass . When an HTTPProxy resource is configured with both .spec.virtualhost.tls.enableFallbackCertificate: true and .spec.virtualhost.jwtProviders, Contour accepts the incompatibl...

CVE-2026-50149 Contour has Improper JWT Verification for Non-SNI Requests on Virtual Hosts with Fallback Certificate Enabled

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...