Vulnerability library
Security checkFebruary 27, 2026

deepHas vulnerable to Prototype Pollution via constructor.prototype

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High severitynpmdeephas

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Description

A prototype pollution vulnerability exists in version 1.0.7 of the deephas npm package that allows an attacker to modify global object behavior. This issue was fixed in version 1.0.8.

Recommendation

Update the deephas package to the latest compatible version. Followings are version details:

  • Affected version(s): < 1.0.8
  • Patched version(s): 1.0.8

References

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Related Issues

See something that needs correcting? Let us knowUpdated February 27, 2026