Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

CVE-2026-24052

Gravedad CVSS v4.0:
ALTA
Tipo:
CWE-601 Redireccionamiento de URL a sitio no confiable (Open Redirect)
Fecha de publicación:
03/02/2026
Última modificación:
03/02/2026

Descripción

*** Pendiente de traducción *** Claude Code is an agentic coding tool. Prior to version 1.0.111, Claude Code contained insufficient URL validation in its trusted domain verification mechanism for WebFetch requests. The application used a startsWith() function to validate trusted domains (e.g., docs.python.org, modelcontextprotocol.io), this could have enabled attackers to register domains like modelcontextprotocol.io.example.com that would pass validation. This could enable automatic requests to attacker-controlled domains without user consent, potentially leading to data exfiltration. This issue has been patched in version 1.0.111.