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Prototye Pollution in Async via portfinder@1.0.28 dependency #4386

Description

@jadon-murphy-saama

Bug report

Actual Behavior

Dependabot cannot update async to a non-vulnerable version of async (3.2.2) as it is dependency of portfinder@1.0.28 creating a high severity vulnerability. From the dependabot log "A vulnerability exists in Async through 3.2.1 (fixed in 3.2.2), which could let a malicious user obtain privileges via the mapValues() method."
Currently it appears that portfinder may be abandonware as of my last check it hasnt been updated in ~2 years. There is an issue raised with portfinder about the async dep, linked below, but has gone without answer, as it appears portfinder is no longer receiving support.
http-party/node-portfinder#126

Expected Behavior

How Do We Reproduce?

install webpack@latest and webpack-dev-server@latest and run npm audit to see the vulnerability.

Activity

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