CVE-2025-12543

CRITICAL

9.6

Descripcion

A flaw was found in the Undertow HTTP server core, which is used in WildFly, JBoss EAP, and other Java applications. The Undertow library fails to properly validate the Host header in incoming HTTP requests.As a result, requests containing malformed or malicious Host headers are processed without rejection, enabling attackers to poison caches, perform internal network scans, or hijack user sessions.

Detalles CVE

Puntuacion CVSS v3.19.6

SeveridadCRITICAL

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosNONE

Interaccion usuarioREQUIRED

Publicado1/7/2026

Ultima modificacion3/18/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

redhat:build_of_apache_camelredhat:data_gridredhat:fuseredhat:jboss_enterprise_application_platformredhat:jboss_enterprise_application_platform_expansion_packredhat:process_automationredhat:single_sign-onredhat:undertow