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CVE-2026-87794— bestzip 2.2.6 and 3.0.2 Argument Injection via the Native Zip Destination

Quick assessment

Affected
nfriedly bestzip
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

2.2.6 和 3.0.2 版本中的 函数存在参数注入漏洞，允许攻击者向 Info-ZIP 后端注入任意参数。攻击者可通过提供恶意的目标路径并结合构造的源条目，以 Node.js 进程的权限执行任意命令。该问题已在 2.2.7 和 3.0.3 版本中修复。

CVSS 8.4 · High
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I. Basic Information for CVE-2026-87794

Vulnerability Information
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Vulnerability Title
bestzip 2.2.6 and 3.0.2 Argument Injection via the Native Zip Destination
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
参数注入或修改
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
nfriedly bestzip 2.2.6 ~ 2.2.7 -

II. Public POCs for CVE-2026-87794

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III. Intelligence Information for CVE-2026-87794

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Patches & Fixes for CVE-2026-87794 (1)

Vendor Advisories for CVE-2026-87794 (3)

Proof of Concept for CVE-2026-87794 (2)

IV. Related Vulnerabilities

Same product: bestzip
Same vendor: nfriedly
Same weakness: CWE-88

V. Comments for CVE-2026-87794

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