CVE-2026-11539 — MEDIUM (5.3)

Vulnerability Description

IBM WebSphere Application Server 9.0 and 8.5 is affected by an authentication bypass vulnerability in the SOAP/JMX connector.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Related Weaknesses (CWE)

CWE-306

References

https://www.ibm.com/support/pages/node/7286610

FAQ

What is CVE-2026-11539?

CVE-2026-11539 is a vulnerability with a CVSS score of 5.3 (MEDIUM). IBM WebSphere Application Server 9.0 and 8.5 is affected by an authentication bypass vulnerability in the SOAP/JMX connector.

How severe is CVE-2026-11539?

CVE-2026-11539 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-11539?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.