CVE-2026-39974
1 advisory.
npm/n8n-mcp CVE-2026-39974: high 8.5, EPSS 0.43%
n8n-mcp has authenticated SSRF via instance-URL header in multi-tenant HTTP mode
Action: Upgrade n8n-mcp to 2.47.4 or later.
npm i n8n-mcp@2.47.4Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.47.4 | - |
Fixed versions
| 2.47.4 |
Sources
- osv: GHSA-4ggg-h7ph-26qr
- https://github.com/czlonkowski/n8n-mcp/security/advisories/GHSA-4ggg-h7ph-26qr
- https://nvd.nist.gov/vuln/detail/CVE-2026-39974
- https://github.com/czlonkowski/n8n-mcp/commit/d9d847f230923d96e0857ccecf3a4dedcc9b0096
- https://github.com/czlonkowski/n8n-mcp
- https://github.com/czlonkowski/n8n-mcp/releases/tag/v2.47.4
CVE-2026-39974 · published · modified · JSON