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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👁 56 Views

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

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-42231
4 May 202618:30
–attackerkb
bdu_fstec
BDU FSTEC
N8n Prototype Object Code Execution
15 May 202600:00
–bdu_fstec
circl
Circl
CVE-2026-42231
4 May 202620:51
–circl
cnnvd
CNNVD
n8n 安全漏洞
4 May 202600:00
–cnnvd
cve
CVE
CVE-2026-42231
4 May 202618:30
–cve
cvelist
Cvelist
CVE-2026-42231 n8n: Prototype Pollution in XML Webhook Body Parser Leads to RCE
4 May 202618:30
–cvelist
githubexploit
GithubExploit
Exploit for Prototype Pollution in N8N
7 May 202601:19
–githubexploit
euvd
EUVD
EUVD-2026-27102
4 May 202618:30
–euvd
kitploit
Kitploit
CVE-2026-42231
15 Oct 202619:29
–kitploit
mend
Mend
CVE-2026-42231
4 May 202618:30
–mend
Rows per page
Vulners
Node
OR
n8nn8nRange2.17.0–2.17.4npm
n8nn8nRange2.18.0–2.18.1npm
n8nn8nRange<1.123.32npm

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08 May 2026 01:31Current
8High risk
Vulners AI Score8
CVSS 3.18.8
CVSS 49.4
EPSS0.00762
SSVC
56