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CVE-2026-21858
🗓️ 07 Jan 2026 23:57:52Reported by GitHub_MType 
cve🔗 web.nvd.nist.gov📰️ 33 Media mentions👁 385 Views🌐 WEB
| Reporter | Title | Published | Views | Family All 43 |
|---|---|---|---|---|
 | Exploit for Improper Input Validation in N8N | 21 Jan 202615:01 | – | githubexploit |
| Exploit for Improper Input Validation in N8N | 11 Feb 202601:01 | – | githubexploit |
| Exploit for Improper Input Validation in N8N | 20 Jan 202611:50 | – | githubexploit |
| Exploit for Improper Input Validation in N8N | 20 Jan 202615:59 | – | githubexploit |
| Exploit for CVE-2026-21858 | 12 Jan 202614:32 | – | githubexploit |
| Exploit for Improper Input Validation in N8N | 17 Jan 202604:57 | – | githubexploit |
| Exploit for Improper Input Validation in N8N | 30 Jan 202622:38 | – | githubexploit |
| Exploit for Improper Input Validation in N8N | 9 Apr 202611:09 | – | githubexploit |
| Exploit for Improper Input Validation in N8N | 24 Jan 202602:08 | – | githubexploit |
| Exploit for Improper Input Validation in N8N | 24 Feb 202605:04 | – | githubexploit |
10
[
{
"vendor": "n8n-io",
"product": "n8n",
"versions": [
{
"version": ">= 1.65.0, < 1.121.0",
"status": "affected"
}
]
}
]| Parameter | Position | Path | Description | CWE |
|---|---|---|---|---|
| files.filepath | request body | form/ | Unauthenticated file read via form-based endpoint to read arbitrary server files. | CWE-20 |
| workflowData | request body | rest/workflows | Create a malicious workflow containing an Execute Command node to run arbitrary commands. | CWE-20 |
| workflowData | request body | rest/workflows/{id}/run | Execute a previously created malicious workflow to trigger command execution. | CWE-20 |
10
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16 Jan 2026 19:31Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.110
EPSS0.05899
SSVC