CVE-2026-25047
High · 8.8CVSS
8.8
EPSS
0.8%
Published
Jan 29, 2026
CISA due date
—
The record
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 packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | deephas | 0 | 1.0.8 |
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- GHSA-2733-6c58-pf27 deepHas vulnerable to Prototype Pollution via constructor.prototype Same vulnerability
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