CVE-2026-25047 — HIGH (8.8)

Vulnerability 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.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Sharpred	Deephas	1.0.7

Related Weaknesses (CWE)

CWE-1321

References

https://github.com/sharpred/deepHas/commit/8097fafd3776c613d8066546653e0d2c7b5fcPatch
https://github.com/sharpred/deepHas/security/advisories/GHSA-2733-6c58-pf27ExploitVendor Advisory

FAQ

What is CVE-2026-25047?

CVE-2026-25047 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 ...

How severe is CVE-2026-25047?

CVE-2026-25047 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-25047?

Check the references section above for vendor advisories and patch information. Affected products include: Sharpred Deephas.