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CVE-2026-42235

🗓️ 04 May 2026 19:16:06Reported by [email protected]Type 
nvd
 nvd
🔗 web.nvd.nist.gov👁 30 Views

Unauthenticated OAuth client can inject script via toast, enabling credential theft and privilege escalation.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-42235
4 May 202618:38
–attackerkb
bdu_fstec
BDU FSTEC
N8n MCP OAuth XSS
15 May 202600:00
–bdu_fstec
circl
Circl
CVE-2026-42235
4 May 202621:11
–circl
cnnvd
CNNVD
n8n Cross-site Scripting Vulnerabilities
4 May 202600:00
–cnnvd
cve
CVE
CVE-2026-42235
4 May 202618:38
–cve
cvelist
Cvelist
CVE-2026-42235 n8n: XSS via MCP OAuth client
4 May 202618:38
–cvelist
euvd
EUVD
EUVD-2026-27110
4 May 202618:38
–euvd
github
Github Security Blog
n8n Vulnerable to XSS via MCP OAuth client
29 Apr 202621:23
–github
mend
Mend
CVE-2026-42235
4 May 202618:38
–mend
osv_cve
osv_cve
CVE-2026-42235 n8n: XSS via MCP OAuth client
4 May 202618:38
–osv_cve
Rows per page
NVD
Node
OR
n8nn8nRange<1.123.32enterprisenode.js
n8nn8nRange2.17.0–2.17.4enterprisenode.js
n8nn8nMatch2.18.0enterprisenode.js

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