CVE-2026-87794

HIGH CVSS 4.0: 8.6 EPSS 0.28%
Updated Sep 18, 2026
Bestzip_Project
Parameter Value
CVSS 8.6 (HIGH)
Affected Versions 2.2.6 — 3.0.3
Fixed In 2.2.7
Type CWE-88
Vendor Bestzip_Project
Public PoC No

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.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 2

Configuration From (including) Up to (excluding)
Bestzip_Project Bestzip
cpe:2.3:a:bestzip_project:bestzip:*:*:*:*:*:*:*:*
2.2.6 2.2.7
Bestzip_Project Bestzip
cpe:2.3:a:bestzip_project:bestzip:*:*:*:*:*:*:*:*
3.0.2 3.0.3