Pre-auth RCE in OpenAM via jato.clientSession unsafe deserialization (CVE-2026-33439)
Hacktron AI researchers disclosed CVE-2026-33439 (CVSS 9.8, CWE-502), an unauthenticated remote code execution flaw in OpenIdentityPlatform OpenAM 16.0.5 and earlier. It is a variant of CVE-2021-35464: the earlier fix whitelisted deserialization for the jato.pageSession parameter but left the sibling jato.clientSession parameter unfiltere…