CVE-2026-11541 HIGH

CVE-2026-11541: IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by HTTP request smuggling

Vendor Ibm
Product WebSphere Application Server
Weakness CWE-444
Published June 30, 2026
Last update July 1, 2026
View on NVD All CVEs

CVSS base score

7.4/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 30, 2026 CVE published
July 1, 2026 Record updated