CVE-2025-36418: IBM Applinx

Critical severity, CVSS 9.8. EPSS: 0.2% chance of exploitation in the next 30 days.

IBM ApplinX 11.1 is vulnerable due to a privilege escalation vulnerability due to improper verification of JWT tokens. An attacker may be able to craft or modify a JSON web token in order to impersonate another user or to elevate their privileges.

Affected products

• IBM Applinx: version 11.1.0 only

Published 2026-01-20. Last modified 2026-06-17.