# CVE-2024-5979: PYSEC-2026-1437 - h2o vulnerable to unexpected POST request shutting down server

Source: https://junglewise.ai/threats/cve-2024-5979-h2o-vulnerable-to-unexpected-post-request-shutting-down-server  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-07  
License: CC BY 4.0 with a link back

CVE-2024-5979 · Severity: low · CVSS 3 · Published 2026-07-07

h2o vulnerable to unexpected POST request shutting down server

Technologies: [h2o (PyPI)](https://junglewise.ai/threats/technologies/h2o). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2024-5979 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2024-5979 being exploited in the wild.

**How severe is CVE-2024-5979?** Low severity, with a CVSS score of 3, published 7 July 2026.

**Which products and versions are affected?** h2o (PyPI) ECOSYSTEM:introduced=0,last_affected=3.46.0.

**Is there a fix for CVE-2024-5979?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2024-5979?** Check whether you run h2o (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- h2o (PyPI) ECOSYSTEM:introduced=0,last_affected=3.46.0

## Identifiers

- CVE-2024-5979
- GHSA-58m3-rcvp-f9ww
- PYSEC-2026-1437

## Related threats

- [PYSEC-2026-1441 - H2O Vulnerable to Arbitrary File Overwrite](https://junglewise.ai/threats/cve-2024-8616-h2o-vulnerable-to-arbitrary-file-overwrite)
- [PYSEC-2026-1438 - H2O Vulnerable to Denial of Service (DoS) via `HEAD` Request](https://junglewise.ai/threats/cve-2024-8062-h2o-vulnerable-to-denial-of-service-dos-via-head-request)
- [PYSEC-2026-1443 - H2O Vulnerable to Denial of Service (DoS) via `/3/ImportFiles` Endpoint](https://junglewise.ai/threats/cve-2024-7768-h2o-vulnerable-to-denial-of-service-dos-via-3-importfiles-endpoint)
- [PYSEC-2026-1439 - H2O Vulnerable to Denial of Service (DoS) via Large GZIP Parsing](https://junglewise.ai/threats/cve-2024-7765-h2o-vulnerable-to-denial-of-service-dos-via-large-gzip-parsing)
- [PYSEC-2026-1442 - H2O Vulnerable to Execution of Arbitrary Files](https://junglewise.ai/threats/cve-2024-6863-h2o-vulnerable-to-execution-of-arbitrary-files)