A critical vulnerability, tracked as CVE-2025-12543, has been identified in the Undertow HTTP server, affecting Java applications like WildFly and JBoss EAP. This flaw allows attackers to hijack user sessions, leading…
2 articles · Updated January 9, 2026
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Undertow HTTP Server Used in Java Apps Vulnerability Allow Attackers to Hijack Sessions— Cybersecuritynews · January 9, 2026