CVE-2026-11541

Published Jun 30, 2026

Last updated 21 days ago

Overview

Description
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.
Source
psirt@us.ibm.com
NVD status
Modified
Products
websphere_application_server

Risk scores

CVSS 3.1

Type
Primary
Base score
9.8
Impact score
5.9
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity
CRITICAL

Weaknesses

psirt@us.ibm.com
CWE-444

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.