HTTP Request Smuggling in IBM WebSphere Application Server Liberty
CVE-2026-11548 Published on September 18, 2026
Multiple security vulnerabilities may affect IBM WebSphere Liberty that is shipped with IBM CICS TX Advanced.
IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by an HTTP request smuggling vulnerability.
Vulnerability Analysis
CVE-2026-11548 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is a HTTP Request Smuggling Vulnerability?
When malformed or abnormal HTTP requests are interpreted by one or more entities in the data flow between the user and the web server, such as a proxy or firewall, they can be interpreted inconsistently, allowing the attacker to "smuggle" a request to one device without the other device being aware of it.
CVE-2026-11548 has been classified to as a HTTP Request Smuggling vulnerability or weakness.
Products Associated with CVE-2026-11548
Want to know whenever a new CVE is published for IBM Cics Tx Advanced? stack.watch will email you.
