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CVE PROGRAM SOURCE RECORD9.4 Critical

CVE-2026-25047

deepHas vulnerable to Prototype Pollution via constructor.prototype

Description

deepHas provides a test for the existence of a nested object key and optionally returns that key. 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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

sharpred deepHas

  • < 1.0.7affected

References