{"cve":"CVE-2026-25047","nvd":{"published":"2026-01-29T22:15:55.647","modified":"2026-06-17T10:24:02.290","status":"Analyzed","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_v4":{"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","score":9.4},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","score":8.8},"cwes":["CWE-1321"],"references":["https://github.com/sharpred/deepHas/commit/8097fafd3776c613d8066546653e0d2c7b5fc465","https://github.com/sharpred/deepHas/security/advisories/GHSA-2733-6c58-pf27"],"products":["sharpred:deephas"],"source":"nvd","synced_at":"2026-10-19T22:22:27.261130201+00:00"},"epss":{"cve":"CVE-2026-25047","score":0.00796,"percentile":0.56484,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-2733-6c58-pf27","url":"https://osv.dev/vulnerability/GHSA-2733-6c58-pf27","summary":"deepHas vulnerable to Prototype Pollution via constructor.prototype","modified":"2026-02-28T06:26:37.473427Z","packages":[{"ecosystem":"npm","name":"deephas","purl":"pkg:npm/deephas","ranges":["<1.0.8"],"fixed":["1.0.8"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}