CVE-2026-93895: IBM WebSphere Application Server - Liberty

Critical severity, CVSS 9.1. EPSS: 0.4% chance of exploitation in the next 30 days.

IBM WebSphere Application Server - Liberty 20.0.0.12 through 26.0.0.10 could allow an unauthenticated remote attacker to bypass access controls configured on gRPC service methods.

Affected products

• IBM WebSphere Application Server - Liberty: from 20.0.0.12, up to and including 26.0.0.10

Published 2026-10-13. Last modified 2026-10-17.