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CVE-2026-54764

Estado: AnalizadaMedia (6.9)—

Traefik is an HTTP reverse proxy and load balancer. Prior to v2.11.51, v3.6.22, and v3.7.6, Traefik's ForwardAuth middleware, even when configured with trustForwardHeader: false, derives the X-Forwarded-Port header sent to the authentication service from the original incoming request instead of the sanitized forwarded request. As a result, an unauthenticated remote attacker can inject an X-Forwarded-Proto: https header over a plain HTTP connection and cause Traefik to forward X-Forwarded-Port: 443 to the authentication service, bypassing port-based authorization checks. This issue is fixed in versions v2.11.51, v3.6.22, and v3.7.6.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Traefik — Traefik

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2026-54764",
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          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "none"
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              "automatable": "yes"
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              "technicalImpact": "partial"
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          "version": "2.0.3",
          "timestamp": "2026-07-07T14:03:07.994154Z"
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          "integrityImpact": "LOW",
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          "confidentialityImpact": "NONE"
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          "version": "4.0",
          "Recovery": "NOT_DEFINED",
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          "valueDensity": "NOT_DEFINED",
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  "published": "2026-07-06T21:16:56.930",
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    }
  ],
  "lastModified": "2026-07-08T03:01:46.417",
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