Privilege Escalation Vulnerability in IBM WebSphere Application Server - Liberty
CVE-2026-11713

5.4MEDIUM

Key Information:

Vendor

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

What is CVE-2026-11713?

A privilege escalation vulnerability exists in IBM WebSphere Application Server - Liberty when the restConnector-2.0 feature is enabled. This flaw allows an attacker to gain elevated privileges, potentially leading to unauthorized actions within the server environment. Organizations utilizing affected versions should prioritize applying patches provided by IBM to mitigate risks associated with this vulnerability.

Affected Version(s)

WebSphere Application Server - Liberty 17.0.0.3 <= 26.0.0.9

References

https://www.ibm.com/support/pages/node/7291394
vendor-advisorypatch

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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