{"id":"CVE-2023-26139","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-26139","generatedAt":"2026-10-28T00:20:23.111Z","title":"Versions of the package underscore-keypath from 0.0.11 are vulnerable to Prototype Pollution via the name argument of the setProperty() function.","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__”.","published":"2023-08-01T05:15:35.000Z","lastModified":"2026-06-17T05:42:46.000Z","status":"Modified","sourceIdentifier":"report@snyk.io","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-1321"],"affected":["underscore-keypath project/underscore-keypath"],"epss":{"score":0.00886,"percentile":0.58991,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.89%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://gist.github.com/lelecolacola123/cc0d1e73780127aea9482c05f2ff3252","tags":["Third Party Advisory"],"source":"report@snyk.io"},{"url":"https://security.snyk.io/vuln/SNYK-JS-UNDERSCOREKEYPATH-5416714","tags":["Third Party Advisory"],"source":"report@snyk.io"},{"url":"https://gist.github.com/lelecolacola123/cc0d1e73780127aea9482c05f2ff3252","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.snyk.io/vuln/SNYK-JS-UNDERSCOREKEYPATH-5416714","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-26139","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}