CVE-2026-87794
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.
脆弱性の種類
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.
参考情報
- 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
- https://www.npmjs.com/package/bestzip