CVE-2026-45707
1 advisory.
npm/n8n-mcp CVE-2026-45707: high 8.1
n8n-MCP: Multi-tenant MCP requests fall back to process-level n8n credentials when tenant headers are absent or incomplete
Action: Upgrade n8n-mcp to 2.51.2 or later.
npm i n8n-mcp@2.51.2Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.51.2 | - |
Fixed versions
| 2.51.2 |
Sources
- osv: GHSA-jxx9-px88-pj69
- https://github.com/czlonkowski/n8n-mcp/security/advisories/GHSA-jxx9-px88-pj69
- https://nvd.nist.gov/vuln/detail/CVE-2026-45707
- https://github.com/czlonkowski/n8n-mcp/commit/853015d0897be7cf2d9d4726de195c938e4395ab
- https://github.com/czlonkowski/n8n-mcp
- https://github.com/czlonkowski/n8n-mcp/releases/tag/v2.51.2
CVE-2026-45707 · published · modified · JSON