Prototype Pollution in mergify

Description

All versions of mergify are vulnerable to Prototype Pollution. The mergify() function allows attackers to modify the prototype of Object causing the addition or modification of an existing property that will exist on all objects.

Recommendation

No fix is available yet. Followings are affected versions:

• >= 0

References

• GHSA-3f95-w5h5-fq86
• hackerone.com
• www.npmjs.com
• CWE-1321

Related Issues

• Lodash has Prototype Pollution Vulnerability in `_.unset` and `_.omit` functions - CVE-2025-13465
• Prototype Pollution in json-logic-js - Vulnerability
• Prototype pollution vulnerability found in Mermaid's bundled version of DOMPurify - Vulnerability
• Prototype Pollution in unflatten - Vulnerability

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How to Secure your NodeJs Express Javascript Application - part 1

How to Secure your NodeJs Express Javascript Application - part 2

10 Secure Coding Best Practices to Follow in Every Project

Tags:

npm

mergify