CVE-2026-15396 — IBM WebSphere Application Server IBM WebSphere Application Server - Liberty HTTP Request Smuggling
IBM WebSphere Application Server 8.5 and 9.0, and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 are vulnerable to HTTP request smuggling, caused by improp…
Published: 2026-09-14 · CVSS: 6.5 · CVSS 3.1
IBM WebSphere Application Server 8.5 and 9.0, and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 are vulnerable to HTTP request smuggling, caused by improper parsing of the HTTP transfer-encoding request header. By sending a specially crafted HTTP transfer-encoding request header, an attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7