Naughty Platypus Memorabilia
Severity: high

Prototype Pollution



Versions of lodash.mergewith before 4.6.1 are vulnerable to Prototype Pollution. The function 'mergeWith' may allow a malicious user to modify the prototype of Object via __proto__ causing the addition or modification of an existing property that will exist on all objects.


Update to version 4.6.1 or later.

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Advisory timeline

  1. published

    Advisory Published
    Jul 15th, 2019
  2. reported

    Reported by Olivier Arteau (HoLyVieR)
    Jul 15th, 2019