IBM WebSphere Application Server 8.5 and 9.0, and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 are affected by an HTTP request smuggling vulnerability.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Ibm
  • Cics Tx Advanced
  • Websphere Application Server
  • Websphere Application Server Liberty

No data.

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References
Link Providers
https://www.ibm.com/support/pages/node/7286610 cve-icon cve-icon
https://www.ibm.com/support/pages/node/7286611 cve-icon cve-icon
History

Fri, 23 Oct 2026 00:45:00 +0000

Type Values Removed Values Added
Description IBM WebSphere Application Server 8.5 and 9.0 are affected by an HTTP request smuggling vulnerability. IBM WebSphere Application Server 8.5 and 9.0, and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 are affected by an HTTP request smuggling vulnerability.
Title IBM WebSphere Application Server HTTP Request Smuggling IBM WebSphere Application Server and IBM WebSphere Application Server - Liberty HTTP Request Smuggling
First Time appeared Ibm websphere Application Server Liberty
CPEs cpe:2.3:a:ibm:websphere_application_server_liberty:17.0.0.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server_liberty:26.0.0.8:*:*:*:*:*:*:*
Vendors & Products Ibm websphere Application Server Liberty
References

Thu, 22 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Description IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by an HTTP request smuggling vulnerability. IBM WebSphere Application Server 8.5 and 9.0 are affected by an HTTP request smuggling vulnerability.
Title Multiple security vulnerabilities may affect IBM WebSphere Liberty that is shipped with IBM CICS TX Advanced. IBM WebSphere Application Server HTTP Request Smuggling
First Time appeared Ibm websphere Application Server
CPEs cpe:2.3:a:ibm:cics_tx_advanced:10.1.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:cics_tx_advanced:10.1:*:*:*:*:*:*:*		 cpe:2.3:a:ibm:websphere_application_server:8.5.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:9.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*
Vendors & Products Ibm websphere Application Server
References

Sat, 19 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Fri, 18 Sep 2026 21:30:00 +0000

Type Values Removed Values Added
Description IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by an HTTP request smuggling vulnerability.
Title Multiple security vulnerabilities may affect IBM WebSphere Liberty that is shipped with IBM CICS TX Advanced.
First Time appeared Ibm
Ibm cics Tx Advanced
Weaknesses CWE-444
CPEs cpe:2.3:a:ibm:cics_tx_advanced:10.1.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:cics_tx_advanced:10.1:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm cics Tx Advanced
References
Metrics cvssV3_1

{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: ibm

Published: 2026-09-18T19:14:34.108Z

Updated: 2026-10-22T18:53:16.800Z

Reserved: 2026-06-09T02:07:36.508Z

Link: CVE-2026-11722

cve-icon Vulnrichment

Updated: 2026-09-19T14:08:35.962Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-18T20:17:03.020

Modified: 2026-10-22T19:17:49.397

Link: CVE-2026-11722

cve-icon Redhat

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