PT-2026-88916 · Nfriedly+1 · Bestzip+1

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CVE-2026-87794

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Published

2026-09-09

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Updated

2026-09-09

CVSS v4.0

8.6

High

VectorAV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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.

Exploit

Fix

Argument Injection

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Weakness Enumeration

Related Identifiers

CVE-2026-87794
GHSA-P87M-9567-RGCC
GHSA-XHWX-RCH4-PH2V

Affected Products

Bestzip
Node-Bestzip