Improper TLS Certificate Verification

github.com/traefik/traefik/v3 is vulnerable to improper TLS certificate verification. The vulnerability is due to incorrect handling of the proxy-ssl-verify annotation, which disables TLS verification when enabled, allowing an attacker to perform man-in-the-middle attacks on HTTPS backends...

FreeBSD : traefik -- Inverted TLS Verification Logic in Kubernetes NGINX Provider (dc7e30db-de67-11f0-b893-5404a68ad561)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the dc7e30db-de67-11f0-b893-5404a68ad561 advisory. The traefik project reports: There is a potential vulnerability in Traefik NGINX provider managing the...

SUSE CVE-2025-66491

Traefik is an HTTP reverse proxy and load balancer. Versions 3.5.0 through 3.6.2 have inverted TLS verification logic in the nginx.ingress.kubernetes.io/proxy-ssl-verify annotation. Setting the annotation to "on" intending to enable backend TLS certificate verification actually disables...

CVE-2025-66491 Traefik has Inverted TLS Verification Logic in its ingress-nginx Provider

Traefik is an HTTP reverse proxy and load balancer. Versions 3.5.0 through 3.6.2 have inverted TLS verification logic in the nginx.ingress.kubernetes.io/proxy-ssl-verify annotation. Setting the annotation to "on" intending to enable backend TLS certificate verification actually disables...

Improper Certificate Validation

Overview Affected versions of this package are vulnerable to Improper Certificate Validation due to inverted logic in the InsecureSkipVerify field when processing the nginx.ingress.kubernetes.io/proxy-ssl-verify annotation. An attacker can intercept and read sensitive data by performing...

Traefik Inverted TLS Verification Logic in ingress-nginx Provider

Impact There is a potential vulnerability in Traefik NGINX provider managing the nginx.ingress.kubernetes.io/proxy-ssl-verify annotation. The provider inverts the semantics of the nginx.ingress.kubernetes.io/proxy-ssl-verify annotation. Setting the annotation to "on" intending to enable backend T...

GHSA-7VWW-MVCR-X6VJ Traefik Inverted TLS Verification Logic in ingress-nginx Provider

Impact There is a potential vulnerability in Traefik NGINX provider managing the nginx.ingress.kubernetes.io/proxy-ssl-verify annotation. The provider inverts the semantics of the nginx.ingress.kubernetes.io/proxy-ssl-verify annotation. Setting the annotation to "on" intending to enable backend T...