CVE-2026-42231
🗓️ 04 May 2026 18:30:27Reported by GitHub_MType 
cve🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 139 Views🌐 WEB
| Reporter | Title | Published | Views | Family All 19 |
|---|---|---|---|---|
 | CVE-2026-42231 | 4 May 202618:30 | – | attackerkb |
 | N8n Prototype Object Code Execution | 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 | 15 Oct 202619:29 | – | kitploit |
 | CVE-2026-42231 | 4 May 202618:30 | – | mend |
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__ | nested | /webhook/ | Prototype pollution in XML webhook payload via __proto__ in parsed object, enabling potential chain leading to RCE. | CWE-1321 |
| __proto__ | nested | /webhook//webhook/ | Variant of the same vulnerability where the webhook URL format includes /webhook//webhook/ in some deployments. | CWE-1321 |
Data
Build on a solid foundation with Vulners data
We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data
Api
Power your application with Vulners API
The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access
App
Assess and manage vulnerabilities with Vulners tools
Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation
17 Jun 2026 10:47Current
8.1High risk
Vulners AI Score8.1
CVSS 3.18.8
CVSS 49.4
EPSS0.00762
SSVC