CVE-2026-15064

EUVD-2026-50024
IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 is vulnerable to HTTP Response Smuggling due to improper handling of non-standard HTTP version tokens.
HTTP Request/Response Smuggling
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
ibmCNA
8.7 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 12.45%
Affected Products (NVD)
VendorProductVersion
ibmwebsphere_application_server
8.5.0.0 ≤
𝑥
< 8.5.5.31
ibmwebsphere_application_server
9.0.0.0 ≤
𝑥
< 9.0.5.29
ibmwebsphere_application_server
17.0.0.3 ≤
𝑥
< 26.0.0.8
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
ibmwebsphere
9.0
CNA
ibmwebsphere
8.5
CNA
ibmwebsphere
17.0.0.3 ≤
𝑥
≤ 26.0.0.7
CNA
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://www.ibm.com/support/pages/node/7281625