H2O-3GHSA-x234-r5fg-x52m
Arbitrary system path lookup in h20
Medium5.3CVE-2024-5550 · Published Jun 6, 2024 · updated Jul 7, 2026
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| h2o PyPI | <= 3.40.0.4 | No fix yet |
Details and references
In h2oai/h2o-3 version 3.40.0.4, an exposure of sensitive information vulnerability exists due to an arbitrary system path lookup feature. This vulnerability allows any remote user to view full paths in the entire file system where h2o-3 is hosted. Specifically, the issue resides in the Typeahead API call, which when requested with a typeahead lookup of '/', exposes the root filesystem including directories such as /home, /usr, /bin, among others. This vulnerability could allow attackers to explore the entire filesystem, and when combined with a Local File Inclusion (LFI) vulnerability, could make exploitation of the server trivial.
More H2O-3 advisories
All H2O-3| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Jun 272024 | h2o vulnerable to unexpected POST request shutting down server CVE-2024-5979High7.5no fix yet | High7.5 | No fix yet |
| Sep 62024 | H2O.ai H2O vulnerable to deserialization attacks via a JDBC Connection URL CVE-2024-45758Critical9.1no fix yet | Critical9.1 | No fix yet |
| Dec 142023 | External Control of File Name or Path in h2oai/h2o-3 CVE-2023-6569Critical9.3fixed in 3.46.0.1 | Critical9.3 | 3.46.0.1 |
| Mar 202025 | H2O Vulnerable to Denial of Service (DoS) via `/3/ParseSetup` Endpoint CVE-2024-10550High7.5no fix yet | High7.5 | No fix yet |
| Mar 202025 | H2O Deserialization of Untrusted Data Vulnerability CVE-2024-10553Critical9.8fixed in 3.46.0.6 | Critical9.8 | 3.46.0.6 |
| Mar 202025 | H2O Vulnerable to Denial of Service (DoS) and File Write CVE-2024-10572High7.5no fix yet | High7.5 | No fix yet |