OpenAM: Pre-auth RCE via Java Deserialization in WebAuthn Authenticator Storage
Critical vendor advisory
CVE-2026-45051
Summary
OpenAM: Pre-auth RCE via Java Deserialization in WebAuthn Authenticator Storage
Why it matters
GitHub has published a reviewed security advisory for org.openidentityplatform.openam:openam-auth-webauthn. Prioritize it with other application dependency updates.
Operator check
Check whether org.openidentityplatform.openam:openam-auth-webauthn is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 9.2.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.