Exploit for Improper Input Validation in N8N_E9FEB96E-FD28-54FD-8CC2-01E853439E7E

{
    "lastseen": "2026-04-16T20:29:48",
    "description": "PoC-CVE-2026-21858 n8n is an open source workflow automation platform. Versions starting with 1.65.0 and below 1.121.0 enable an attacker to access files on the underlying server through execution of certain form-based workflows. A vulnerable workflow...",
    "published": "2026-04-16T19:42:25",
    "modified": "2026-04-16T20:26:03",
    "type": "githubexploit",
    "title": "Exploit for Improper Input Validation in N8N",
    "source": "",
    "references": "",
    "id": "E9FEB96E-FD28-54FD-8CC2-01E853439E7E",
    "bulletinFamily": "exploit",
    "cwe": null,
    "cvelist": [
        "CVE-2026-1357",
        "CVE-2026-21858"
    ],
    "sourceData": "",
    "sourceHref": "",
    "cvss": {
        "score": 10,
        "severity": "CRITICAL",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "https://github.com/masterwok/PoC-CVE-2026-21858",
    "category_name": "Exploit",
    "post_link": "",
    "product": "",
    "version": "",
    "vendor": "",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}