Versions of lodash.mergewith before 4.6.1 are vulnerable to Prototype Pollution.
Full advisory text at GitHub advisory.
npm package report
Is lodash.mergewith safe?
lodash.mergewith (npm) has 2 known vulnerabilities, the worst rated HIGH. Upgrade to 4.6.2 or later to clear all of them. No malicious-package signal is recorded.
// reach
0 direct dependencies
none carry a known advisory
36 packages depend on it
an advisory here reaches each of them
Create a free accountfor every dependency path, dependent and what to upgrade
// ai model usage
Tracked for PyPI packages. HuggingFace models declare Python dependencies, so npm packages are not covered.
cvss
7.5
high
severity band, no base score published
epss
not scored
chance of exploitation in 30 days
xyz score
4.3
medium
CyberXYZ composite out of 10
fig. 01 — GHSA-5947-m4fg-xhqg, the advisory selected below
// 2 advisories
Is lodash.mergewith safe to install?
CyberXYZ does not call a package safe in absolute terms. It records 2 known vulnerabilities for lodash.mergewith (npm), the worst rated HIGH, and no malicious-package signal. Whether it is acceptable depends on the version you run.
Does lodash.mergewith have known vulnerabilities?
Yes. CyberXYZ records 2 known vulnerabilities for lodash.mergewith (npm), the worst rated HIGH. They are GHSA-5947-m4fg-xhqg, GHSA-779f-wgxg-qr8f.
Which version of lodash.mergewith should I use?
4.6.2 or later clears every advisory recorded for lodash.mergewith (npm). Check the release you pick before installing it.
How do I check lodash.mergewith before installing?
Search lodash.mergewith in CyberXYZ Check at https://cyberxyz.io/check?q=lodash.mergewith. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.
Checked 2026-11-14 at 11:19 UTC. The most recent advisory here was published 2020-09-03. Updated continuously from NVD, GHSA, OSV and CNA feeds.