GHSA-2CQQ-RPVQ-G5QJ OpenIdentityPlatform OpenAM: Pre-Authentication Remote Code Execution via `jato.clientSession` Deserialization in OpenAM

Summary OpenIdentityPlatform OpenAM 16.0.5 and likely earlier versions is vulnerable to pre-authentication Remote Code Execution RCE via unsafe Java deserialization of the jato.clientSession HTTP parameter. This bypasses the WhitelistObjectInputStream mitigation that was applied to the...