Denial of Service Vulnerability in IBM WebSphere Application Server
CVE-2026-9336

6.5MEDIUM

Key Information:

Vendor

IBM
Status
Websphere Application Server
Vendor
CVE Published:
10 September 2026

What is CVE-2026-9336?

IBM WebSphere Application Server versions 9.0 and 8.5 contain a vulnerability that allows remote attackers to exploit a specially crafted HTTP request directed at an administrative endpoint. This manipulation may lead to the exhaustion of filesystem space on the server, potentially causing interruptions in service. Users are advised to review the vendor's advisory and apply the necessary patches to mitigate this risk.

Affected Version(s)

WebSphere Application Server 9.0

WebSphere Application Server 8.5

References

https://www.ibm.com/support/pages/node/7286610
vendor-advisorypatch

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.