h2oai h2o-3 JAR Model.java importBinaryModel deserialization_CVE-2026-8751

6.9 / 10

MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Description

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.

Basic Information

ID CVE-2026-8751

Source VulDB

Published May 17, 2026 at 11:30

Affected Product

Vendor h2oai

Product h2o-3

Version 7402

Affected Versions h2oai h2o-3 7402

CWE Classification

CWE-502 CWE-20

References

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    "description": "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.",
    "published": "2026-05-17T11:30:10.692Z",
    "modified": "2026-05-17T11:30:10.692Z",
    "type": "cve",
    "title": "h2oai h2o-3 JAR Model.java importBinaryModel deserialization",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/364378\nhttps://vuldb.com/vuln/364378/cti\nhttps://vuldb.com/submit/810107\nhttps://vulnplus-note.wetolink.com/share/b5nsQg6EcsBS",
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    "sourceData": "h2oai h2o-3 7402",
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    "cvss": {
        "score": 6.9,
        "severity": "MEDIUM",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
        "version": "4.0"
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