CVE-2026-87794
8.6
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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 combined with crafted source entries to execute arbitrary commands with Node.js process privileges. Fixed in 2.2.7 and 3.0.3.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| nfriedly | bestzip | 2.2.6 < 2.2.7 | affected |
| nfriedly | bestzip | 3.0.2 < 3.0.3 | affected |
Weaknesses
- CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
References
- https://github.com/nfriedly/node-bestzip/security/advisories/GHSA-xhwx-rch4-ph2v
- https://github.com/nfriedly/node-bestzip/commit/2adb637b0acb05b8475de7db5af4b86ffcf40aaf
- https://github.com/nfriedly/node-bestzip/blob/v3.0.2/lib/bestzip.js
- https://github.com/nfriedly/node-bestzip/security/advisories/GHSA-p87m-9567-rgcc
- https://www.npmjs.com/package/bestzip
- https://github.com/nfriedly/node-bestzip
- https://www.vulncheck.com/advisories/bestzip-2.2.6-and-3.0.2-argument-injection-via-the-native-zip-destination
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