CVE-2025-66491
CVE-2025-66491 · Traefik has Inverted TLS Verification Logic in its ingress-nginx Provider
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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 verification, allowing man-in-the-middle attacks against HTTPS backends when operators believe they are protected. This issue is fixed in version 3.6.3.
CVSS 5.9 · Media · EPSS 0,2%
- Publicación
- Actualización
Pila tecnológica: web
Productos y versiones afectados
traefik
- Versiones
- >= 3.5.0, < 3.6.3: Afectada
Sin corrección publicada