High · 8.7 CVE-2026-15064 EUVD-2026-50024GHSA-cgw7-p7f6-2pjh

IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by multiple vulnerabilities

Published Jul 28, 2026 · Updated Sep 23, 2026 · Assigned by ibm

Vendor: IBM Product: WebSphere Application Server Product: WebSphere Application Server - Liberty

Description

IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty is vulnerable to HTTP Response Smuggling due to improper handling of non-standard HTTP version tokens.

Affected products

Vendor	Product	Affected	Fixed
IBM	WebSphere Application Server	9.0, 8.5	—
IBM	WebSphere Application Server - Liberty	17.0.0.3 – ≤ 26.0.0.7	—

Advisories 2

WID-SEC-2026-2958 IBM License Metric Tool: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 4, 2026
WID-SEC-2026-2564 IBM WebSphere Application Server und Application Server Liberty: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 4, 2026

References

https://www.ibm.com/support/pages/node/7281625 vendor-advisory patch