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CVE-2026-33745

Estado: AnalizadaAlta (7.4)—

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.39.0, the cpp-httplib HTTP client forwards stored Basic Auth, Bearer Token, and Digest Auth credentials to arbitrary hosts when following cross-origin HTTP redirects (301/302/307/308). A malicious or compromised server can redirect the client to an attacker-controlled host, which then receives the plaintext credentials in the `Authorization` header. Version 0.39.0 fixes the issue.

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Vector AV:N/PR:N sin UI permite explotar aplicaciones expuestas (T1190). La vulnerabilidad filtra credenciales almacenadas (Basic Auth, Bearer, Digest) hacia servidores controlados por atacantes mediante redirects HTTP, constituyendo exposición de credenciales sensibles (T1552.007) en flujos de red

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Privileged Account ManagementNetwork SegmentationLimit Access to Resource Over NetworkVulnerability ScanningUser TrainingUser Account Management

Tecnologías afectadas (1)

Yhirose — Cpp-httplib

CWE

Referencias

JSON original (NVD)

Mostrar
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  "lastModified": "2026-06-17T10:38:01.593",
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