CVE-2026-25047 – deepHas vulnerable to Prototype Pollution via constructor.prototype

CVE ID : CVE-2026-25047

Published : Jan. 29, 2026, 10:15 p.m. | 54 minutes ago

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.

Severity: 9.4 | CRITICAL

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