What’s Vulnerable › Vulnerabilities

CVE-2023-6016: H2O Remote Code Execution via POJO Model Import

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 30.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-11-16 · updated 2026-06-17
• Weakness: CWE-94

Description

An attacker is able to gain remote code execution on a server hosting the H2O dashboard through it's POJO model import feature.

Affected products

• h2oai/h2o-3: all versions

References

• https://huntr.com/bounties/83dd17ec-053e-453c-befb-7d6736bf1836
• https://huntr.com/bounties/83dd17ec-053e-453c-befb-7d6736bf1836

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