6.5
Medium
CVE-2026-15634 IBM WebSphere Application Server 8.5 and 9.0, and IBM WebSphere Application Server - Liberty 17.0.0.3 through…
Description
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| WebSphere Application Server | 9.0 | No fix stated |
| WebSphere Application Server | 8.5 | No fix stated |
| WebSphere Application Server - Liberty 17.0 | 17.0.0.3 → 26.0.0.5 | No fix stated |
Other CVEs of WebSphere Application Server
The 185 CVEs of WebSphere Application Server →
CVE-2026-101294
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.10 and IBM WebSphere Application Server 8.5, and…
8.7
High
CVE-2026-105442
IBM WebSphere Application Server 8.5, and 9.0 and IBM WebSphere Application Server - Liberty 17.0.0.3 through…
7.5
High
CVE-2026-93907
IBM WebSphere Application Server 8.5, and 9.0 could allow a remote attacker to bypass authentication by exploiting a…
8.1
High
CVE-2026-95680
IBM WebSphere Application Server 8.5, and 9.0 could allow an authenticated attacker to bypass authorization leading to…
8.0
High