CVE-2026-11548

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

CVSS v3 4.8 MEDIUM

4.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://www.ibm.com/support/pages/node/7286610
https://www.ibm.com/support/pages/node/7286611

Configurations

No configuration.

History

22 Oct 2026, 19:17

Type	Values Removed	Values Added
References	~~{'url': 'https://www.ibm.com/support/pages/node/7287740', 'source': 'psirt@us.ibm.com'}~~	() https://www.ibm.com/support/pages/node/7286610 - () https://www.ibm.com/support/pages/node/7286611 -
Summary	~~(en) IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by an HTTP request smuggling vulnerability.~~	(en) IBM WebSphere Application Server 8.5 and 9.0, and and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 are affected by an HTTP request smuggling vulnerability.

18 Sep 2026, 20:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-18 20:17

Updated : 2026-10-22 19:17

NVD link : CVE-2026-11548

Mitre link : CVE-2026-11548

CVE.ORG link : CVE-2026-11548

JSON object : View

Products Affected

No product.

CWE

CWE-444

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

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