{"action":"Upgrade n8n-mcp to 2.51.3 or later.","affected":[{"fixed":"2.51.3","introduced":"0"}],"component":"n8n-mcp","cve_ids":["CVE-2026-45582"],"ecosystem":"npm","epss":0.00455,"exploited":false,"fixed_versions":["2.51.3"],"ghsa_id":"GHSA-f3rg-xqjj-cj9w","id":"tcs_01M5KFMCTFFNNVBM37DT2AY3GS","modified_at":"2026-06-09T10:45:15.572125876Z","published_at":"2026-05-18T13:26:51Z","references":["https://osv.dev/vulnerability/GHSA-f3rg-xqjj-cj9w","https://github.com/czlonkowski/n8n-mcp/security/advisories/GHSA-f3rg-xqjj-cj9w","https://nvd.nist.gov/vuln/detail/CVE-2026-45582","https://github.com/czlonkowski/n8n-mcp/pull/782","https://github.com/czlonkowski/n8n-mcp/commit/6cf6fef653fcd6d598f2f356aac4754931c7329f","https://github.com/czlonkowski/n8n-mcp","https://github.com/czlonkowski/n8n-mcp/releases/tag/v2.51.3"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-f3rg-xqjj-cj9w","url":"https://osv.dev/vulnerability/GHSA-f3rg-xqjj-cj9w"}],"summary":"n8n-MCP: Workflow telemetry sanitizer could retain partial values from URL-shaped node parameters"}