GHSA-4ggg-h7ph-26qrPublished
n8n-mcp has authenticated SSRF via instance-URL header in multi-tenant HTTP mode
Exact source revision recorded 24 Oct 2026 13:17:17 UTC. It does not establish the source's current position. Latest evidence.
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CVE-2026-39974 · Microsoft / collected KEV context
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
Current operational correlations are not mixed into this historical source record. Open latest evidence to discover current connections.