High 8.4Published Sep 9, 2026

CVE-2026-87794bestzip 2.2.6 and 3.0.2 Argument Injection via the Native Zip Destination

Updated under an hour ago (2026-10-19 06:20 UTC)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for nfriedly bestzip

Exploited in the last 30 days

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 combined with crafted source entries to execute arbitrary commands with Node.js process privileges. Fixed in 2.2.7 and 3.0.3.

CVSS: 8.4 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-88
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Sep 18, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

nfriedly bestzip nfriedly:bestzip (from the name)	from 2.2.6 before 2.2.7; from 3.0.2 before 3.0.3	CNA record

References

https://github.com/nfriedly/node-bestzip/security/advisories/GHSA-xhwx-rch4-ph2vvendor-advisory
https://github.com/nfriedly/node-bestzip/commit/2adb637b0acb05b8475de7db5af4b86ffcf40aafpatch
https://github.com/nfriedly/node-bestzip/blob/v3.0.2/lib/bestzip.jstechnical-description
https://github.com/nfriedly/node-bestzip/security/advisories/GHSA-p87m-9567-rgccrelated, vendor-advisory
https://www.npmjs.com/package/bestzipproduct
https://github.com/nfriedly/node-bestzipproduct
https://www.vulncheck.com/advisories/bestzip-2.2.6-and-3.0.2-argument-injection-via-the-native-zip-destinationthird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.