Remote Code Execution Risk in H2O.ai H2O-3 Product
CVE-2024-5986

9.1CRITICAL

Key Information:

Vendor

H2oai

Status
H2oai/h2o-3
Vendor
CVE Published:
2 February 2026

What is CVE-2024-5986?

A vulnerability in H2O.ai's H2O-3 version 3.46.0.1 allows remote attackers to exploit the '/3/Parse' endpoint and inject malicious data into file headers. This allows attackers to overwrite any file on the server, potentially leading to remote code execution and unauthorized access to critical system files, such as SSH keys and scripts, severely compromising system integrity.

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Affected Version(s)

h2oai/h2o-3 <= unspecified

References

https://huntr.com/bounties/64ff5319-6ac3-4447-87f7-b53495...

CVSS V3.0

Score:
9.1
Severity:
CRITICAL
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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