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GMS-2020-354: Prototype Pollution in lodash.mergewith

September 3, 2020 (updated September 29, 2021)

Versions of lodash.mergewith 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 or later.

References

  • github.com/advisories/GHSA-5947-m4fg-xhqg
  • www.npmjs.com/advisories/1069

Code Behaviors & Features

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Affected versions

All versions before 4.6.1

Fixed versions

  • 4.6.1

Solution

Upgrade to version 4.6.1 or above.

Source file

npm/lodash.mergewith/GMS-2020-354.yml

Spotted a mistake? Edit the file on GitLab.

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