Remote Code Execution Vulnerability in IBM WebSphere Application Server
CVE-2026-14974

8.1HIGH

Key Information:

Vendor

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

What is CVE-2026-14974?

IBM WebSphere Application Server versions 8.5 and 9.0 have a vulnerability that could be exploited by remote attackers to execute arbitrary code. This is primarily due to an unsafe deserialization of untrusted data, which poses a significant risk to the integrity and availability of affected systems. Organizations using these versions should review the vendor advisory provided by IBM, and apply recommended patches promptly to mitigate potential threats.

Affected Version(s)

WebSphere Application Server 8.5

WebSphere Application Server 9.0

References

https://www.ibm.com/support/pages/node/7281641
vendor-advisorypatch

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.