What is GHSA-779f-wgxg-qr8f?

GHSA-779f-wgxg-qr8f is a security advisory published by GitHub Security Advisories with High severity. Prototype Pollution in lodash.mergewith

Why does GHSA-779f-wgxg-qr8f have no CVE ID yet?

GitHub Security Advisories published this advisory directly to customers before NVD assigned a CVE ID. This is the embargo-window disclosure pattern — vendors notify customers on day 0; NVD's public record follows days to weeks later.

Which products are affected by GHSA-779f-wgxg-qr8f?

GHSA-779f-wgxg-qr8f affects 1 product, including: npm/lodash.mergewith:\u003c 4.6.2.

GHSA-779f-wgxg-qr8fHighDisclosed before NVD

Prototype Pollution in lodash.mergewith

Vendor

GitHub Security Advisories

Published

September 3, 2020

Last Modified

January 9, 2023

📋 Description

Versions of lodash.mergewith before 4.6.2 are vulnerable to prototype pollution. The function mergeWith may allow a malicious user to modify the prototype of Object via {constructor: {prototype: {...}}} causing the addition or modification of an existing property that will exist on all objects.

Recommendation

Update to version 4.6.2 or later.

🎯 Affected products1

npm/lodash.mergewith:< 4.6.2

🔗 References (2)

https://www.npmjs.com/advisories/1071
https://github.com/advisories/GHSA-779f-wgxg-qr8f