cbcvebase.
CVE-2026-11541
published 2026-06-30

CVE-2026-11541: 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 -…

PriorityP355critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
0.42%
35.6th percentile
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.

Affected

7 ranges
VendorProductVersion rangeFixed in
ibmcics_transaction_gateway_for_multiplatforms——
ibmcics_transaction_gateway_for_multiplatforms——
ibmcics_transaction_gateway_for_multiplatforms——
ibmcics_transaction_gateway_for_multiplatforms——
ibmwebsphere_application_server17.0.0.3 – 26.0.0.6—
ibmwebsphere_application_server>= 8.5.0.0 < 8.5.5.318.5.5.31
ibmwebsphere_application_server>= 9.0.0.0 < 9.0.5.299.0.5.29
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