CVE-2025-12543

CRITICAL9.6EPSS 0.05%

Undertow HTTP server core doesn't properly validate the Host header in incoming HTTP requests

發布日:2026/1/7修改日:2026/4/28

描述

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.

受影響套件(2)

CVSS 分數

來源版本嚴重程度向量
osvCVSS 3.1CRITICAL9.6CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L

參考連結(21)