CVE-2026-8751: h2oai h2o-3 JAR Model.java importBinaryModel deserialization
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-8751?
CVE-2026-8751 is classified as a critical vulnerability due to its potential for remote code execution through deserialization.
How do I fix CVE-2026-8751?
To fix CVE-2026-8751, update H2O.ai H2O-3 to version 7403 or later, which contains the necessary patches.
Who is affected by CVE-2026-8751?
CVE-2026-8751 affects users of H2O.ai H2O-3 versions up to and including 7402.
What components are impacted by CVE-2026-8751?
CVE-2026-8751 impacts the JAR Model.java importBinaryModel function within H2O.ai H2O-3.
Can CVE-2026-8751 lead to data breaches?
Yes, CVE-2026-8751 can potentially lead to data breaches by allowing unauthorized access and execution of malicious code.