Medium severity · published Jun 30, 2026
CVE-2026-11594
IBM WebSphere Application Server is affected by multiple cross-site scripting vulnerabilities
6.1
CVSS
0.3%
EPSS
No
On KEV
Description
IBM WebSphere Application Server 9.0, and 8.5 is affected by a cross-site scripting vulnerability in the administrative console.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 27% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WA
WebSphere Application Server · IBM
9.0; 8.5 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-11594
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-11594
Vendor Advisory
https://www.ibm.com/support/pages/node/7277546
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