CVE-2026-11541

critical

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.

References

https://github.com/WHOISshuvam/ivia-cve-pocs

https://www.ibm.com/support/pages/node/7281750

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-40413

Details

Source: Mitre, NVD

Published: 2026-06-30

Updated: 2026-07-29

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

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