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.

  • Published Sep 9, 2026
  • CVSS 8.6 high
  • 0.3% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

CVE-2026-87794 at the National Vulnerability Database