Threats affecting pkg:maven/ai.h2o/h2o-3

CVE-2026-8752 is a medium severity vulnerability in h2oai h2o-3 version 7402 that involves improper access controls in the Rapids setproperty Primitive Handler component. The issue exists in the exec function of the file AstSetProperty.java. This vulnerability can be exploited remotely without authentication or user interaction. Although a public exploit is available, there is no vendor response or patch at this time. The vulnerability could allow unauthorized manipulation due to improper access control enforcement.

A security flaw has been discovered in h2oai h2o-3 up to 7402. This affects the function importBinaryModel of the file h2o-core/src/main/java/hex/Model.java of the component JAR Handler. Performing a manipulation results in deserialization. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.