PYSEC-2026-1437
See a problem?- Import Source
- https://github.com/pypa/advisory-database/blob/main/vulns/h2o/PYSEC-2026-1437.yaml
- JSON Data
- https://api.osv.dev/v1/vulns/PYSEC-2026-1437
- Aliases
- Published
- 2026-07-07T14:34:35.823241Z
- Modified
- 2026-07-07T17:47:39.200992470Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- h2o vulnerable to unexpected POST request shutting down server
- Details
-
In h2oai/h2o-3 version 3.46.0, the
run_toolcommand in therapidscomponent allows themainfunction of any class under thewater.toolsnamespace to be called. One such class,MojoConvertTool, crashes the server when invoked with an invalid argument, causing a denial of service. - References
Affected packages
PyPI / h2o
Package
- Name
- h2o
- View open source insights on deps.dev
- Purl
- pkg:pypi/h2o
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedLast affected3.46.0
Affected versions
3.*
3.10.0.3
3.10.0.6
3.10.0.7
3.10.0.8
3.10.0.10
3.10.3.3
3.10.3.4
3.10.4.1
3.10.4.2
3.10.4.3
3.10.4.4
3.10.4.6
3.10.4.8
3.16.0.1
3.16.0.2
3.16.0.3
3.16.0.4
3.18.0.1
3.18.0.2
3.18.0.3
3.18.0.4
3.18.0.5
3.18.0.6
3.18.0.7
3.18.0.8
3.18.0.9
3.18.0.10
3.18.0.11
3.20.0.4
3.20.0.5
3.20.0.6
3.20.0.7
3.20.0.8
3.22.0.1
3.22.0.2
3.22.0.3
3.22.0.4
3.22.0.5
3.22.1.1
3.22.1.2
3.22.1.3
3.22.1.4
3.22.1.5
3.22.1.6
3.24.0.1
3.24.0.2
3.24.0.3
3.24.0.4
3.24.0.5
3.26.0.1
3.26.0.2
3.26.0.3
3.26.0.4
3.26.0.5
3.26.0.6
3.26.0.8
3.26.0.9
3.26.0.10
3.26.0.11
3.28.0.1
3.28.0.2
3.28.0.3
3.28.1.2
3.28.1.3
3.30.0.1
3.30.0.2
3.30.0.3
3.30.0.4
3.30.0.5
3.30.0.6
3.30.0.7
3.30.1.1
3.30.1.2
3.30.1.3
3.32.0.2
3.32.0.3
3.32.0.4
3.32.0.5
3.32.1.1
3.32.1.2
3.32.1.3
3.32.1.4
3.32.1.5
3.32.1.6
3.32.1.7
3.34.0.3
3.34.0.7
3.34.0.8
3.36.0.2
3.36.0.3
3.36.0.4
3.36.1.1
3.36.1.2
3.36.1.3
3.36.1.4
3.36.1.5
3.38.0.1
3.38.0.2
3.38.0.3
3.38.0.4
3.40.0.1
3.40.0.2
3.40.0.3
3.40.0.4
3.42.0.1
3.42.0.2
3.42.0.3
3.42.0.4
3.44.0.1
3.44.0.2
3.44.0.3