What is CVE-2026-25047?

CVE-2026-25047 is a high-severity vulnerability in Sharpred Deephas, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 8.8/10. Published 2026-01-29.

How severe is CVE-2026-25047?

High severity. CVSS v3 base score is 8.8 out of 10.

Prototype Pollution in Sharpred Deephas

CVE-2026-25047

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.

Vulnerability class: Prototype Pollution

EPSS: 0.007 (50.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Sharpred Deephas — versions < 1.0.7, 1.0.7

Weakness classification (CWE)

CWE-1321 — Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution)

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2026-25047?: CVE-2026-25047 is a high-severity vulnerability in Sharpred Deephas, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 8.8/10. Published 2026-01-29.
How severe is CVE-2026-25047?: High severity. CVSS v3 base score is 8.8 out of 10.