Description
IBM WebSphere Application Server 9.0 and 8.5 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.6 are vulnerable to HTTP request smuggling. A remote attacker could smuggle a specially crafted request to the application server thereby allowing the attacker to bypass security controls, spoof identity, escalate privilege, and expose sensitive information.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| IBM | WebSphere Application Server | 9.0.0 – ≤ 7.0.2 Interim Fix 035, 8.5.0 – ≤ 7.0.3 Interim Fix 017 | — |
| IBM | WebSphere Application Server - Liberty | 17.0.0.3 – ≤ 26.0.0.6 | — |
Advisories 1
- WID-SEC-2026-2001 IBM WebSphere Application Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 28, 2026
References
- https://www.ibm.com/support/pages/node/7276579 vendor-advisory patch