{"cve":"CVE-2023-26139","nvd":{"published":"2023-08-01T05:15:34.843","modified":"2026-06-17T05:42:45.900","status":"Modified","description":"Versions of the package underscore-keypath from 0.0.11 are vulnerable to Prototype Pollution via the name argument of the setProperty() function. Exploiting this vulnerability is possible due to improper input sanitization which allows the usage of arguments like “__proto__”.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-1321"],"references":["https://gist.github.com/lelecolacola123/cc0d1e73780127aea9482c05f2ff3252","https://security.snyk.io/vuln/SNYK-JS-UNDERSCOREKEYPATH-5416714","https://gist.github.com/lelecolacola123/cc0d1e73780127aea9482c05f2ff3252","https://security.snyk.io/vuln/SNYK-JS-UNDERSCOREKEYPATH-5416714"],"products":["underscore-keypath_project:underscore-keypath"],"source":"nvd","synced_at":"2026-10-19T21:38:35.729974749+00:00"},"epss":{"cve":"CVE-2023-26139","score":0.00886,"percentile":0.59262,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-gpvc-mx6g-cchv","url":"https://osv.dev/vulnerability/GHSA-gpvc-mx6g-cchv","summary":"underscore-keypath vulnerable to Prototype Pollution","modified":"2023-11-08T04:11:59.621730Z","packages":[{"ecosystem":"npm","name":"underscore-keypath","purl":"pkg:npm/underscore-keypath","ranges":[">=0.0.11 <=0.9.3"],"fixed":[]}]}],"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."]}