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.

CVSS v3 8.4 HIGH

8.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.5 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/nfriedly/node-bestzip
https://github.com/nfriedly/node-bestzip/blob/v3.0.2/lib/bestzip.js
https://github.com/nfriedly/node-bestzip/commit/2adb637b0acb05b8475de7db5af4b86ffcf40aaf
https://github.com/nfriedly/node-bestzip/security/advisories/GHSA-p87m-9567-rgcc
https://github.com/nfriedly/node-bestzip/security/advisories/GHSA-xhwx-rch4-ph2v
https://www.npmjs.com/package/bestzip
https://www.vulncheck.com/advisories/bestzip-2.2.6-and-3.0.2-argument-injection-via-the-native-zip-destination

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-09 10:22

Updated : 2026-09-10 19:58

NVD link : CVE-2026-87794

Mitre link : CVE-2026-87794

CVE.ORG link : CVE-2026-87794

JSON object : View

Products Affected

No product.

CWE

CWE-88

Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')

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