CVE-2026-11541

EUVD-2026-40413
IBM CICS Transaction Gateway for Multiplatforms 9.1, 9.2, 9.3, and 10.1 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 affected by an HTTP request smuggling vulnerability.
HTTP Request/Response Smuggling
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.4 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 33.49%
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
≤ 26.0.0.6
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.ibm.com/support/pages/node/7281750