CVE-2026-11539

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

  • Published Sep 18, 2026
  • CVSS 5.3 medium
  • 0.3% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-11539 at the National Vulnerability Database