CVE-2026-11712

CRITICAL

IBM WebSphere Application Server is affected by a cross-site scripting vulnerability

Title source: cna
STIX 2.1

Description

IBM WebSphere Application Server 9.0, and 8.5 is affected by a cross-site scripting vulnerability in the administrative console help system.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
https://www.ibm.com/support/pages/node/7278590

Scores

CVSS v3 9.3
EPSS 0.0022
EPSS Percentile 12.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-79
Status published
Products (3)
IBM/WebSphere Application Server 8.5
IBM/WebSphere Application Server 9.0
ibm/websphere_application_server 8.5.0.0 - 8.5.5.31
Published Jun 30, 2026
Tracked Since Jul 01, 2026