Denial of Service Vulnerability in IBM WebSphere Application Server
CVE-2026-9322

7.5HIGH

Key Information:

Vendor

IBM
Status
Websphere Application Server
Websphere Application Server - Liberty
Vendor
CVE Published:
30 July 2026

What is CVE-2026-9322?

IBM WebSphere Application Server versions 9.0 and 8.5, along with IBM WebSphere Application Server - Liberty versions from 17.0.0.3 to 26.0.0.7, are susceptible to a denial of service attack. This vulnerability occurs when a specially crafted HTTP request disrupts service availability, leading to potential operational interruptions. Users are urged to review the vendor's advisory for patching information and mitigation strategies.

Affected Version(s)

WebSphere Application Server 9.0

WebSphere Application Server 8.5

WebSphere Application Server - Liberty 17.0.0.3 <= 26.0.0.7

References

https://www.ibm.com/support/pages/node/7278576
vendor-advisorypatch

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.