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critical vulnerability

OpenAM: Pre-auth RCE via Java Deserialization in WebAuthn Authenticator Storage

Published Jun 24, 2026 · updated Oct 28, 2026

What to do

  1. Upgrade to a fixed version: org.openidentityplatform.openam:openam-auth-webauthn 16.1.1.
  2. Redeploy and restart long-running processes so they load the fixed code.

Affected packages

org.openidentityplatform.openam:openam-auth-webauthn

<= 16.0.6
16.1.1

Check your project: mvn dependency:tree -Dincludes=org.openidentityplatform.openam:openam-auth-webauthn

Sources

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