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CVE-2026-8751

5.5 medium SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 1

  1. First seenCVSS 5.5 · h2oNVD modified 2026-10-14 20:10

Affected (CPE criteria) 1

  • cpe:2.3:a:h2o:h2o:*:*:*:*:*:*:*:*

References 4