CVE-2026-42231
🗓️ 04 May 2026 18:30:27Reported by GitHub_MType 
cve🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 119 Views🌐 WEB
| Reporter | Title | Published | Views | Family All 17 |
|---|---|---|---|---|
 | CVE-2026-42231 | 4 May 202618:30 | – | attackerkb |
 | The vulnerability of the N8n automation platform lies in its inability to control the uncontrollable changes in the attributes of the prototype object. This allows attackers to execute arbitrary code. | 15 May 202600:00 | – | bdu_fstec |
 | CVE-2026-42231 | 4 May 202620:51 | – | circl |
 | n8n 安全漏洞 | 4 May 202600:00 | – | cnnvd |
 | CVE-2026-42231 n8n: Prototype Pollution in XML Webhook Body Parser Leads to RCE | 4 May 202618:30 | – | cvelist |
 | Exploit for Prototype Pollution in N8N | 7 May 202601:19 | – | githubexploit |
 | EUVD-2026-27102 | 4 May 202618:30 | – | euvd |
 | n8n has Prototype Pollution in XML Webhook Body Parser that Leads to RCE | 29 Apr 202621:25 | – | github |
 | CVE-2026-42231 | 24 Sep 202619:03 | – | kitploit |
 | CVE-2026-42231 | 4 May 202619:16 | – | nvd |
10
[
{
"vendor": "n8n-io",
"product": "n8n",
"versions": [
{
"version": "< 1.123.32",
"status": "affected"
},
{
"version": ">= 2.17.0, < 2.17.4",
"status": "affected"
},
{
"version": ">= 2.18.0, < 2.18.1",
"status": "affected"
}
]
}
]| Parameter | Position | Path | Description | CWE |
|---|---|---|---|---|
| __proto__ | request body | /webhook/ | Prototype pollution in n8n's XML webhook handling via xml2js that allows pollution of the prototype via an own enumerable __proto__ property in the XML payload; can enable RCE when combined with a Git node using SSH/GIT_SSH_COMMAND. | CWE-1321 |
| __proto__ | request body | /webhook//webhook/ | Prototype pollution in n8n's XML webhook handling via xml2js that allows pollution of the prototype via an own enumerable __proto__ property in the XML payload; can enable RCE when combined with a Git node using SSH/GIT_SSH_COMMAND. | CWE-1321 |
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17 Jun 2026 10:47Current
6.4Medium risk
Vulners AI Score6.4
CVSS 3.18.8
CVSS 49.4
EPSS0.00762
SSVC