CVE-2025-12543 - CERT CVE
ID CVE-2025-12543
Sažetak 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.
Reference
CVSS
Base: 9.6
Impact: 6.0
Exploitability:2.8
Pristup
VektorSloženostAutentikacija
NETWORK LOW NONE
Impact
PovjerljivostCjelovitostDostupnost
HIGH HIGH LOW
CVSS vektor CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L
Zadnje važnije ažuriranje 05-03-2026 - 20:16
Objavljeno 07-01-2026 - 17:15