| Titel | H2O-3 latest Pre-Auth Insecure Deserialization |
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| Beschreibung | H2O-3 contains a pre-auth insecure deserialization vulnerability in binary model import. An unauthenticated attacker can upload a malicious JAR, embed a custom_metric_func reference into a model, export the model, and later re-import it so that the malicious reference is restored from serialized bytes. When the imported model is scored, H2O-3 loads the attacker-controlled JAR from DKV and executes the referenced class, resulting in unauthenticated remote code execution in the server JVM. |
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| Quelle | ⚠️ https://vulnplus-note.wetolink.com/share/b5nsQg6EcsBS |
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| Benutzer | vulnplusbot (UID 96250) |
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| Einreichung | 22.04.2026 12:29 (vor 1 Monat) |
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| Moderieren | 16.05.2026 18:20 (24 days later) |
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| Status | Akzeptiert |
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| VulDB Eintrag | 364378 [h2oai h2o-3 bis 7402 JAR Model.java importBinaryModel erweiterte Rechte] |
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| Punkte | 20 |
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