{"id":"CVE-2026-87794","title":"bestzip versions 2.2.6 and 3.0.2 contain an argument injection vulnerability in the nativeZip function that allows attackers to inject arbitrary arguments to the Info-ZIP backend","summary":"bestzip versions 2.2.6 and 3.0.2 contain an argument injection vulnerability in the nativeZip function that allows attackers to inject arbitrary arguments to the Info-ZIP backend. Attackers can supply a malicious destination path combine…","severity":"high","cvss":8.4,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-88"],"vendor":"nfriedly","product":"bestzip","affected":["bestzip >= 2.2.6 < 2.2.7","bestzip >= 3.0.2 < 3.0.3"],"published":"2026-09-09","updated":"2026-09-18","sourceUpdated":"2026-09-18T18:17:32.947","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-87794","references":[{"url":"https://github.com/nfriedly/node-bestzip","label":"disclosure@vulncheck.com"},{"url":"https://github.com/nfriedly/node-bestzip/blob/v3.0.2/lib/bestzip.js","label":"disclosure@vulncheck.com"},{"url":"https://github.com/nfriedly/node-bestzip/commit/2adb637b0acb05b8475de7db5af4b86ffcf40aaf","label":"disclosure@vulncheck.com"},{"url":"https://github.com/nfriedly/node-bestzip/security/advisories/GHSA-p87m-9567-rgcc","label":"disclosure@vulncheck.com"},{"url":"https://github.com/nfriedly/node-bestzip/security/advisories/GHSA-xhwx-rch4-ph2v","label":"disclosure@vulncheck.com"},{"url":"https://www.npmjs.com/package/bestzip","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/bestzip-2.2.6-and-3.0.2-argument-injection-via-the-native-zip-destination","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"epss":0.00188,"epssPercentile":0.08678,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-18T17:08:17.418630Z"},"ingestedAt":"2026-09-11T16:15:22.750Z","slug":"CVE-2026-87794","body":"## Overview\n\nbestzip versions 2.2.6 and 3.0.2 contain an argument injection vulnerability in the nativeZip function that allows attackers to inject arbitrary arguments to the Info-ZIP backend. Attackers can supply a malicious destination path combined with crafted source entries to execute arbitrary commands with Node.js process privileges. Fixed in 2.2.7 and 3.0.3.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":46,"depthScoreParts":{"impact":46.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}