Pre-Authentication Vulnerability in IBM WebSphere Application Server
CVE-2026-14512

9.8CRITICAL

Key Information:

Vendor

IBM
Status
Websphere Application Server
Vendor
CVE Published:
28 July 2026

What is CVE-2026-14512?

IBM WebSphere Application Server versions 9.0 and 8.5 Traditional are impacted by a pre-authentication vulnerability that exposes the systems to unsafe deserialization. This flaw can potentially enable a remote attacker to bypass authentication mechanisms or execute arbitrary code on the affected servers. Software updates and patches are recommended to mitigate the risk associated with this vulnerability.

Affected Version(s)

WebSphere Application Server 9.0

WebSphere Application Server 8.5

References

https://www.ibm.com/support/pages/node/7281649
vendor-advisorypatch

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.