CVE-2026-25047HIGH 8.8EPSS p48.9%

CVE-2026-25047CVE-2026-25047

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.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS0.72% probability of exploitation · percentile 48.9% · 2026-06-18T12:00:27Z
Published2026-01-29
Last modified2026-02-25

Underlying weaknesses· 1

CWE-1321

References

  1. https://github.com/sharpred/deepHas/commit/8097fafd3776c613d8066546653e0d2c7b5fc465
  2. https://github.com/sharpred/deepHas/security/advisories/GHSA-2733-6c58-pf27

1

TypeTargetConfidenceTier
WeaknessImproperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')cwe-13210%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.