CVE-2026-62263
CVE-2026-62263 · OpenAM: WebAuthn Java deserialization RCE via ObjectInputFilter depth>1 bypass
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Open Access Management (OpenAM) is an access management solution. Prior to 16.1.2, WebAuthnAuthentication.deserialize applies an ObjectInputFilter that allows every serialized object at depth greater than 1 and therefore constrains only an AuthenticatorImpl root object. A pre-authentication attacker can supply a userHandle whose serialized graph has a valid AuthenticatorImpl root and a nested gadget class, causing readObject or readResolve execution before the cast and assertion verification when a usable gadget is on the classpath. This bypasses the incomplete remediation for the earlier WebAuthn deserialization vulnerability. This issue is fixed in version 16.1.2.
CVSS 9.2 · Критический · EPSS 0,9%
- Опубликовано
- Обновлено
Стек: system