CVE-2026-87794

bestzip 2.2.6 and 3.0.2 Argument Injection via the Native Zip Destination

Published Sep 9, 2026 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title bestzip 2.2.6 and 3.0.2 Argument Injection via the Native Zip Destination
First Time appeared Bestzip Project
Bestzip Project bestzip
Weaknesses CWE-88
CPEs cpe:2.3:a:bestzip_project:bestzip:*:*:*:*:*:*:*:*
Vendors & Products Bestzip Project
Bestzip Project bestzip
References
Metrics cvssV3_1

{'score': 8.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.6, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 18, 2026, 5:23 PM
Reserved
Sep 9, 2026, 9:37 AM
Status
Deferred
Published
Sep 9, 2026, 10:22 AM
Modified
Sep 18, 2026, 6:17 PM