Insufficient Isolation in IBM WebSphere Application Server - Liberty
CVE-2026-105443

8.2HIGH

Key Information:

Vendor

IBM
Status
Websphere Application Server - Liberty
Vendor
CVE Published:
13 October 2026

What is CVE-2026-105443?

IBM WebSphere Application Server - Liberty versions 17.0.0.3 through 26.0.0.10 are susceptible to a vulnerability that arises from inadequate isolation among servers sharing the same installation environment. This could potentially lead to unauthorized data access and compromise overall system integrity. It is crucial for users of affected versions to implement recommended patches and follow security best practices to mitigate the risks associated with this vulnerability.

Affected Version(s)

WebSphere Application Server - Liberty 17.0.0.3 <= 26.0.0.10

References

https://www.ibm.com/support/pages/node/7292226
vendor-advisorypatch

CVSS V3.1

Score:
8.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.