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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 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 2 Views
| Reporter | Title | Published | Views | Family All 16 |
|---|---|---|---|---|
 | CVE-2026-42231 | 4 May 202618:30 | – | attackerkb |
 | CVE-2026-42231 | 4 May 202620:51 | – | circl |
 | n8n 安全漏洞 | 4 May 202600:00 | – | cnnvd |
 | CVE-2026-42231 | 4 May 202618:30 | – | cve |
 | 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 | 4 May 202619:16 | – | nvd |
 | GHSA-Q5F4-99JV-PGG5 n8n has Prototype Pollution in XML Webhook Body Parser that Leads to RCE | 29 Apr 202621:25 | – | osv |
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15 May 2026 00:00Current
6.4Medium risk
Vulners AI Score6.4
CVSS 38.8
CVSS 29
EPSS0.00851