Public mode

No access to your tenant or devices. Every item links to its source. What this means

CVE-2026-87794

bestzip 2.2.6 and 3.0.2 Argument Injection via the Native Zip Destination

CVSS 4.0 8.6 HIGHCVSS 3.1 8.4 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-87794

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-87794

Published

bestzip

https://www.npmjs.com/package/bestzip

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "nfriedly",
                    "product": "bestzip",
                    "collectionURL": "https://www.npmjs.com/package/bestzip",
                    "repo": "https://github.com/nfriedly/node-bestzip",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:npm/bestzip",
                    "versions": [
                        {
                            "version": "2.2.6",
                            "lessThan": "2.2.7",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "3.0.2",
                            "lessThan": "3.0.3",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON