CVE-2026-94197
CVE-2026-94197 · NGINX Ingress Controller vulnerability
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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 method headers are forwarded unsanitized into the internal authentication subrequest (handled by the NGINX auth_request directive). As a result, an unauthenticated, remote attacker may spoof request attributes evaluated by the external authentication provider. Impact: This vulnerability may allow remote attackers unauthenticated access to protected paths. There is no control plane exposure; this is a data plane issue only. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS 8.7 · Élevée · EPSS 0,4% · Correctif disponible
- Publication
- Mise à jour
Produits et versions concernés
nginx ingress controller
- Versions du logiciel
- ≥ 5.5.0, < 5.7.0: Concernée (custom)
Mettez à jour vers 5.7.0