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Vulnerable Software

Vulnerability Details 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 - Liberty 17.0.0.3 through 26.0.0.6 are affected by an HTTP request smuggling vulnerability.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.003

EPSS Ranking 17.1%

CVSS Severity

CVSS v3 Score 7.4

References

https://www.ibm.com/support/pages/node/7281750

Products affected by CVE-2026-11541

Ibm » Websphere Application Server » Version: 17.0.0.3

cpe:2.3:a:ibm:websphere_application_server:17.0.0.3
Ibm » Websphere Application Server » Version: 17.0.0.4

cpe:2.3:a:ibm:websphere_application_server:17.0.0.4
Ibm » Websphere Application Server » Version: 18.0.0.1

cpe:2.3:a:ibm:websphere_application_server:18.0.0.1
Ibm » Websphere Application Server » Version: 18.0.0.2

cpe:2.3:a:ibm:websphere_application_server:18.0.0.2
Ibm » Websphere Application Server » Version: 18.0.0.3

cpe:2.3:a:ibm:websphere_application_server:18.0.0.3
Ibm » Websphere Application Server » Version: 18.0.0.4

cpe:2.3:a:ibm:websphere_application_server:18.0.0.4
Ibm » Websphere Application Server » Version: 19.0.0.1

cpe:2.3:a:ibm:websphere_application_server:19.0.0.1
Ibm » Websphere Application Server » Version: 19.0.0.10

cpe:2.3:a:ibm:websphere_application_server:19.0.0.10
Ibm » Websphere Application Server » Version: 19.0.0.11

cpe:2.3:a:ibm:websphere_application_server:19.0.0.11
Ibm » Websphere Application Server » Version: 19.0.0.12

cpe:2.3:a:ibm:websphere_application_server:19.0.0.12
Ibm » Websphere Application Server » Version: 19.0.0.2

cpe:2.3:a:ibm:websphere_application_server:19.0.0.2
Ibm » Websphere Application Server » Version: 19.0.0.3

cpe:2.3:a:ibm:websphere_application_server:19.0.0.3
Ibm » Websphere Application Server » Version: 19.0.0.4

cpe:2.3:a:ibm:websphere_application_server:19.0.0.4
Ibm » Websphere Application Server » Version: 19.0.0.5

cpe:2.3:a:ibm:websphere_application_server:19.0.0.5
Ibm » Websphere Application Server » Version: 19.0.0.6

cpe:2.3:a:ibm:websphere_application_server:19.0.0.6
Ibm » Websphere Application Server » Version: 19.0.0.7

cpe:2.3:a:ibm:websphere_application_server:19.0.0.7
Ibm » Websphere Application Server » Version: 19.0.0.8

cpe:2.3:a:ibm:websphere_application_server:19.0.0.8
Ibm » Websphere Application Server » Version: 19.0.0.9

cpe:2.3:a:ibm:websphere_application_server:19.0.0.9
Ibm » Websphere Application Server » Version: 20.0.0.1

cpe:2.3:a:ibm:websphere_application_server:20.0.0.1
Ibm » Websphere Application Server » Version: 20.0.0.10

cpe:2.3:a:ibm:websphere_application_server:20.0.0.10
Ibm » Websphere Application Server » Version: 20.0.0.11

cpe:2.3:a:ibm:websphere_application_server:20.0.0.11
Ibm » Websphere Application Server » Version: 20.0.0.12

cpe:2.3:a:ibm:websphere_application_server:20.0.0.12
Ibm » Websphere Application Server » Version: 20.0.0.2

cpe:2.3:a:ibm:websphere_application_server:20.0.0.2
Ibm » Websphere Application Server » Version: 20.0.0.3

cpe:2.3:a:ibm:websphere_application_server:20.0.0.3
Ibm » Websphere Application Server » Version: 20.0.0.4

cpe:2.3:a:ibm:websphere_application_server:20.0.0.4
Ibm » Websphere Application Server » Version: 20.0.0.5

cpe:2.3:a:ibm:websphere_application_server:20.0.0.5
Ibm » Websphere Application Server » Version: 20.0.0.6

cpe:2.3:a:ibm:websphere_application_server:20.0.0.6
Ibm » Websphere Application Server » Version: 20.0.0.7

cpe:2.3:a:ibm:websphere_application_server:20.0.0.7
Ibm » Websphere Application Server » Version: 20.0.0.8

cpe:2.3:a:ibm:websphere_application_server:20.0.0.8
Ibm » Websphere Application Server » Version: 20.0.0.9

cpe:2.3:a:ibm:websphere_application_server:20.0.0.9
Ibm » Websphere Application Server » Version: 21.0.0.1

cpe:2.3:a:ibm:websphere_application_server:21.0.0.1
Ibm » Websphere Application Server » Version: 21.0.0.10

cpe:2.3:a:ibm:websphere_application_server:21.0.0.10
Ibm » Websphere Application Server » Version: 21.0.0.12

cpe:2.3:a:ibm:websphere_application_server:21.0.0.12
Ibm » Websphere Application Server » Version: 21.0.0.2

cpe:2.3:a:ibm:websphere_application_server:21.0.0.2
Ibm » Websphere Application Server » Version: 21.0.0.3

cpe:2.3:a:ibm:websphere_application_server:21.0.0.3
Ibm » Websphere Application Server » Version: 21.0.0.4

cpe:2.3:a:ibm:websphere_application_server:21.0.0.4
Ibm » Websphere Application Server » Version: 21.0.0.5

cpe:2.3:a:ibm:websphere_application_server:21.0.0.5
Ibm » Websphere Application Server » Version: 22.0.0.1

cpe:2.3:a:ibm:websphere_application_server:22.0.0.1
Ibm » Websphere Application Server » Version: 22.0.0.5

cpe:2.3:a:ibm:websphere_application_server:22.0.0.5
Ibm » Websphere Application Server » Version: 22.0.0.6

cpe:2.3:a:ibm:websphere_application_server:22.0.0.6
Ibm » Websphere Application Server » Version: 23.0.0.3

cpe:2.3:a:ibm:websphere_application_server:23.0.0.3
Ibm » Websphere Application Server » Version: 24.0.0.3

cpe:2.3:a:ibm:websphere_application_server:24.0.0.3
Ibm » Websphere Application Server » Version: 24.0.0.4

cpe:2.3:a:ibm:websphere_application_server:24.0.0.4
Ibm » Websphere Application Server » Version: 24.0.0.5

cpe:2.3:a:ibm:websphere_application_server:24.0.0.5
Ibm » Websphere Application Server » Version: 24.0.0.6

cpe:2.3:a:ibm:websphere_application_server:24.0.0.6
Ibm » Websphere Application Server » Version: 8.5.5.25

cpe:2.3:a:ibm:websphere_application_server:8.5.5.25
Ibm » Websphere Application Server » Version: 9.0.0.0

cpe:2.3:a:ibm:websphere_application_server:9.0.0.0
Ibm » Websphere Application Server » Version: 9.0.5.19

cpe:2.3:a:ibm:websphere_application_server:9.0.5.19

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Vulnerability Details CVE-2026-11541

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