Vulnerability library
Security checkAugust 12, 2025

Prototype Pollution in lodash - lodash - GHSA-jf85-cpcp-j695

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High severitynpmlodash

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Description

Versions of lodash before 4.17.12 are vulnerable to Prototype Pollution. The function defaultsDeep allows 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 the lodash package to the latest compatible version. Followings are version details:

  • Affected version(s): < 4.17.12
  • Patched version(s): 4.17.12

References

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See something that needs correcting? Let us knowUpdated August 12, 2025