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n8n has Open Redirect in MCP OAuth Consent Flow

🗓️ 29 Apr 2026 21:10:17Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 45 Views

Open redirect in MCP OAuth flow allows denial to redirect to attacker controlled URL.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-42230
4 May 202618:28
–attackerkb
bdu_fstec
BDU FSTEC
N8n MCP OAuth Redirection
18 May 202600:00
–bdu_fstec
cnnvd
CNNVD
n8n 输入验证错误漏洞
4 May 202600:00
–cnnvd
cve
CVE
CVE-2026-42230
4 May 202618:28
–cve
cvelist
Cvelist
CVE-2026-42230 n8n: Open Redirect in MCP OAuth Consent Flow
4 May 202618:28
–cvelist
euvd
EUVD
EUVD-2026-27100
4 May 202618:28
–euvd
mend
Mend
CVE-2026-42230
4 May 202618:28
–mend
nvd
NVD
CVE-2026-42230
4 May 202619:16
–nvd
osv_cve
osv_cve
CVE-2026-42230 n8n: Open Redirect in MCP OAuth Consent Flow
4 May 202618:28
–osv_cve
osv_ghsa
osv_ghsa
GHSA-F6X8-65Q6-J9M9 n8n has Open Redirect in MCP OAuth Consent Flow
29 Apr 202621:10
–osv_ghsa
Rows per page
Vulners
Node
OR
n8nn8nRange2.0.0–2.17.4npm
n8nn8nRange2.18.0–2.18.1npm
n8nn8nRange<1.123.32npm

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08 May 2026 01:30Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.16.1
CVSS 45.1
EPSS0.00295
SSVC
45