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CVE-2026-21858
🗓️ 07 Jan 2026 23:57:52Reported by GitHub_MType 
cve🔗 web.nvd.nist.gov📰️ 34 Media mentions👁 461 Views🌐 WEB
| Reporter | Title | Published | Views | Family All 45 |
|---|---|---|---|---|
 | 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 |
| cve-2026-poc-collection | 21 May 202615:15 | – | githubexploit |
| Exploit for Improper Input Validation in N8N | 24 Jan 202602:08 | – | githubexploit |
10
[
{
"vendor": "n8n-io",
"product": "n8n",
"versions": [
{
"version": ">= 1.65.0, < 1.121.0",
"status": "affected"
}
]
}
]| Parameter | Position | Path | Description | CWE |
|---|---|---|---|---|
| data | request body | /form/ | Form-based file read vulnerability to retrieve arbitrary server files via the vulnerable form endpoint. | CWE-20 |
| files.filepath | request body | /form/ | Form-based file read vulnerability to retrieve arbitrary server files via the vulnerable form endpoint. | CWE-20 |
| name | request body | /rest/workflows | Create a malicious workflow containing an Execute Command node to run arbitrary commands. | CWE-20 |
| active | request body | /rest/workflows | Create a malicious workflow containing an Execute Command node to run arbitrary commands. | CWE-20 |
| nodes | request body | /rest/workflows | Create a malicious workflow containing an Execute Command node to run arbitrary commands. | CWE-20 |
| connections | request body | /rest/workflows | Create a malicious workflow containing an Execute Command node to run arbitrary commands. | CWE-20 |
| workflowData | request body | /rest/workflows/{workflow_id}/run | Trigger execution of a crafted workflow that may execute arbitrary commands. | CWE-20 |
10
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17 Jun 2026 10:19Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.110
EPSS0.71647
SSVC