Remote Access Control Bypass in IBM WebSphere Application Server
CVE-2026-93895

9.1CRITICAL

Key Information:

Vendor

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

What is CVE-2026-93895?

The IBM WebSphere Application Server - Liberty versions 20.0.0.12 through 26.0.0.10 may allow unauthorized remote attackers to bypass security measures designed to protect gRPC service methods, potentially exposing sensitive data and system functionality. This vulnerability emphasizes the importance of securing remote service access and robust implementation of access controls to prevent unauthorized usage.

Affected Version(s)

WebSphere Application Server - Liberty 20.0.0.12 <= 26.0.0.10

References

https://www.ibm.com/support/pages/node/7292228
vendor-advisorypatch

CVSS V3.1

Score:
9.1
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

.