CVE-2026-87794
HIGH
NVD
CVSS Score
8.4
Severity
HIGH
Published
Sep 09, 2026
Vendor
unknown
Description
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.
References
- https://github.com/nfriedly/node-bestzip
- https://github.com/nfriedly/node-bestzip/blob/v3.0.2/lib/bestzip.js
- https://github.com/nfriedly/node-bestzip/commit/2adb637b0acb05b8475de7db5af4b86ffcf40aaf
- https://github.com/nfriedly/node-bestzip/security/advisories/GHSA-p87m-9567-rgcc
- https://github.com/nfriedly/node-bestzip/security/advisories/GHSA-xhwx-rch4-ph2v