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n8n has Prototype Pollution in XML Webhook Body Parser that Leads to RCE

🗓️ 29 Apr 2026 21:25:02Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 9 Views

Prototype pollution in the XML webhook body parser enables remote code execution by authenticated users.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-42231
4 May 202618:30
attackerkb
Circl
CVE-2026-42231
4 May 202620:51
circl
CNNVD
n8n 安全漏洞
4 May 202600:00
cnnvd
CVE
CVE-2026-42231
4 May 202618:30
cve
Cvelist
CVE-2026-42231 n8n: Prototype Pollution in XML Webhook Body Parser Leads to RCE
4 May 202618:30
cvelist
GithubExploit
Exploit for Prototype Pollution in N8N
7 May 202601:19
githubexploit
EUVD
EUVD-2026-27102
4 May 202618:30
euvd
NVD
CVE-2026-42231
4 May 202619:16
nvd
OSV
GHSA-Q5F4-99JV-PGG5 n8n has Prototype Pollution in XML Webhook Body Parser that Leads to RCE
29 Apr 202621:25
osv
Positive Technologies
PT-2026-35428
22 Apr 202600:00
ptsecurity
Rows per page
Vulners
Node
n8nn8nRange2.17.02.17.4npm
OR
n8nn8nRange2.18.02.18.1npm
OR
n8nn8nRange<1.123.32npm

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08 May 2026 01:31Current
6.4Medium risk
Vulners AI Score6.4
CVSS 3.18.8
CVSS 49.4
EPSS0.00471
SSVC
9