PT-2026-53990 · Ibm · Ibm Websphere Application Server+1

CVE-2026-11541

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Published

2026-06-30

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Updated

2026-07-02

CVSS v3.1

9.8

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions IBM WebSphere Application Server version 9.0 IBM WebSphere Application Server version 8.5 IBM WebSphere Application Server - Liberty versions 17.0.0.3 through 26.0.0.6
Description An HTTP request smuggling issue exists, which occurs when there is a discrepancy in how a front-end proxy and a back-end server interpret the length or boundaries of an HTTP request, potentially allowing an attacker to interfere with the request stream.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

HTTP Request/Response Smuggling

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Weakness Enumeration

Related Identifiers

CVE-2026-11541

Affected Products

Ibm Websphere Application Server
Ibm Websphere Application Server Liberty