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CVE-2026-39974

🗓️ 14 Apr 2026 01:22:38Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 13 Views

Authenticated server side request forgery in n8n-mcp before 2.47.4 lets token holders read URLs.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-39974
9 Apr 202616:45
–attackerkb
bdu_fstec
BDU FSTEC
n8n-MCP Insufficient Validation Data Compromise
16 Apr 202600:00
–bdu_fstec
circl
Circl
CVE-2026-39974
9 Apr 202619:22
–circl
cnnvd
CNNVD
n8n-MCP 代码问题漏洞
9 Apr 202600:00
–cnnvd
cve
CVE
CVE-2026-39974
9 Apr 202616:45
–cve
cvelist
Cvelist
CVE-2026-39974 n8n-MCP has an Authenticated SSRF via instance-URL header in multi-tenant HTTP mode
9 Apr 202616:45
–cvelist
euvd
EUVD
EUVD-2026-20968
9 Apr 202616:45
–euvd
github
Github Security Blog
n8n-mcp has authenticated SSRF via instance-URL header in multi-tenant HTTP mode
8 Apr 202619:53
–github
mend
Mend
CVE-2026-39974
9 Apr 202616:45
–mend
nvd
NVD
CVE-2026-39974
9 Apr 202617:16
–nvd
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14 Apr 2026 01:22Current
7.7High risk
Vulners AI Score7.7
CVSS 3.18.5
EPSS0.00431
SSVC
13