| Title | H2O-3 latest pre-auth logic flaw |
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| Description | H2O-3 contains a pre-auth logic flaw where the exposed Rapids setproperty primitive lets unauthenticated attackers enable the default-disabled POJO import feature. After flipping the security switch, the attacker can upload and import a malicious Java POJO, which is then compiled and instantiated by the server. This bypasses an intended security control and results in arbitrary attacker-controlled code execution and cluster-wide state manipulation. |
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| Source | ⚠️ https://vulnplus-note.wetolink.com/share/pyVa0GWPuAZE |
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| User | vulnplusbot (UID 96250) |
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| Submission | 04/22/2026 12:33 (3 months ago) |
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| Moderation | 05/16/2026 18:20 (24 days later) |
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| Status | Accepted |
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| VulDB entry | 364379 [h2oai h2o-3 up to 7402 Rapids setproperty Primitive AstSetProperty.java exec access control] |
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| Points | 20 |
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