CVE-2024-5986 (GCVE-0-2024-5986)

Vulnerability from cvelistv5 – Published: 2026-02-02 10:36 – Updated: 2026-02-02 13:13
VLAI?
Title
Remote Arbitrary File Write with Arbitrary Data in h2oai/h2o-3
Summary
A vulnerability in h2oai/h2o-3 version 3.46.0.1 allows remote attackers to write arbitrary data to any file on the server. This is achieved by exploiting the `/3/Parse` endpoint to inject attacker-controlled data as the header of an empty file, which is then exported using the `/3/Frames/framename/export` endpoint. The impact of this vulnerability includes the potential for remote code execution and complete access to the system running h2o-3, as attackers can overwrite critical files such as private SSH keys or script files.
Severity ?
9.1 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CWE
  • CWE-73 - External Control of File Name or Path
Assigner
References
Impacted products
Vendor Product Version
h2oai h2oai/h2o-3 Affected: unspecified , ≤ latest (custom)
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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