{"id":"EUVD-2026-73930","revision":null,"records":[{"revision":"47e665d7e8344355ab5bd7ebce103970","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-86074","aliases":[],"title":"n8n: Instance AI Credential Setup Accepts Unvalidated Probe URL from Fetched Content","description":"n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.2, the Instance AI credential setup flow accepted a credential test or verification URL without checking that it matched the workflow node's origin. Attacker-controlled fetched content could influence that URL after a user injected it into the setup flow, causing authenticated requests, redirects, or probes to reach another origin. The affected logic includes packages/@n8n/instance-ai/src/tools/workflows/credential-utils.ts and the extractServiceOrigin origin derivation. This issue is fixed in versions 2.37.7 and 2.38.2.","state":0,"publishedAt":"2026-09-08T17:38:11.915+00:00","modifiedAt":"2026-09-09T16:04:32.58+00:00","affected":[{"ecosystem":"Vendor product","name":"n8n","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"n8n-io\",\n                    \"product\": \"n8n\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 2.37.7\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \">= 2.38.0, < 2.38.2\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:L/SI:L/SA:N","score":5.9,"severity":"MEDIUM"}],"references":["https://github.com/n8n-io/n8n/security/advisories/GHSA-q5wm-mgqx-fv2f","https://github.com/n8n-io/n8n/releases/tag/n8n@2.37.7","https://github.com/n8n-io/n8n/releases/tag/n8n@2.38.2"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-86074","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-86074","identifiers":["CVE-2026-86074"]},"retained":false,"historicalAffected":[]},{"revision":"6b696a08794b4357a18e3fda7e4f755e","observedAt":"2026-11-13T18:03:57.024+00:00","statement":{"source":"euvd","id":"EUVD-2026-73930","aliases":["CVE-2026-86074","GHSA-q5wm-mgqx-fv2f"],"title":"n8n is an open source workflow automation platform. 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This issue is fixed in versions 2.37.7 and 2.38.2.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:L/SI:L/SA:N","score":5.9,"severity":null}],"references":["https://github.com/n8n-io/n8n/security/advisories/GHSA-q5wm-mgqx-fv2f","https://github.com/n8n-io/n8n/releases/tag/n8n@2.37.7","https://github.com/n8n-io/n8n/releases/tag/n8n@2.38.2"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-73930","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Sep 8, 2026, 5:38:11 PM","dateUpdated":"Sep 9, 2026, 4:04:32 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-73930","identifiers":["EUVD-2026-73930","CVE-2026-86074","GHSA-q5wm-mgqx-fv2f"]},"retained":false,"historicalAffected":[]},{"revision":"110a900f56a9420db01629ea89bc736e","observedAt":"2026-10-25T16:19:16.24+00:00","statement":{"source":"nvd","id":"CVE-2026-86074","aliases":[],"title":"n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.2, the Instance AI credential setup flow accepted a credential test or verification URL without checking that it matched the workflow node's origin. Attacker-contr…","description":"n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.2, the Instance AI credential setup flow accepted a credential test or verification URL without checking that it matched the workflow node's origin. Attacker-controlled fetched content could influence that URL after a user injected it into the setup flow, causing authenticated requests, redirects, or probes to reach another origin. The affected logic includes packages/@n8n/instance-ai/src/tools/workflows/credential-utils.ts and the extractServiceOrigin origin derivation. This issue is fixed in versions 2.37.7 and 2.38.2.","state":0,"publishedAt":"2026-09-08T18:21:14.273+00:00","modifiedAt":"2026-09-11T18:20:24.77+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · security-advisories@github.com · Secondary","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":5.9,"severity":"MEDIUM"},{"system":"CVSS 3.1 · nvd@nist.gov · Primary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N","score":7.1,"severity":"HIGH"}],"references":["https://github.com/n8n-io/n8n/releases/tag/n8n@2.37.7","https://github.com/n8n-io/n8n/releases/tag/n8n@2.38.2","https://github.com/n8n-io/n8n/security/advisories/GHSA-q5wm-mgqx-fv2f"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-86074","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-918"],"productCriteria":["cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*"],"sourceDates":{"published":"2026-09-08T18:21:14.273","lastModified":"2026-09-11T18:20:24.770"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-86074","identifiers":["CVE-2026-86074"]},"retained":false,"historicalAffected":[]},{"revision":"d8ff969daf4247d1a36f5bf65a127a4b","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-q5wm-mgqx-fv2f","aliases":["CVE-2026-86074"],"title":"n8n: Instance AI Credential Setup Accepts Unvalidated Probe URL from Fetched Content","description":"## Impact\n\nInstance AI credential setup accepted a credential test/verification URL without checking it matched the workflow node's origin. Exfiltration required the user to actively inject an attacker-controlled URL into the setup flow. The patch derives the credential destination from the node's own URL and confines authenticated requests, redirects and probes to that origin.\n\n## Patches\n\nThe issue has been fixed in n8n versions 2.38.2 and 2.37.7. Users should upgrade to one of these versions or later to remediate the vulnerability.\n\n## Workarounds\n\nIf upgrading is not immediately possible, administrators should consider the following temporary mitigations:\n- Disable the Instance AI module by removing `instance-ai` from the `N8N_ENABLED_MODULES` environment variable if it is not required.\n- Restrict n8n instance access to fully trusted users only.\n- Rotate any third-party API credentials that were set up using the Instance AI credential-setup flow on affected versions.\n\nThese workarounds do not fully remediate the risk and should only be used as short-term mitigation measures.","state":0,"publishedAt":"2026-09-10T21:18:48+00:00","modifiedAt":"2026-09-10T21:30:04.7894683+00:00","affected":[{"ecosystem":"npm","name":"n8n","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"2.38.0"},{"kind":"fixed","version":"2.38.2"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"npm","name":"n8n","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"2.37.7"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V4","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:L/SI:L/SA:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"MODERATE"}],"references":["https://github.com/n8n-io/n8n/security/advisories/GHSA-q5wm-mgqx-fv2f","https://nvd.nist.gov/vuln/detail/CVE-2026-86074","https://github.com/n8n-io/n8n","https://github.com/n8n-io/n8n/releases/tag/n8n@2.37.7","https://github.com/n8n-io/n8n/releases/tag/n8n@2.38.2"],"sourceUrl":"https://github.com/advisories/GHSA-q5wm-mgqx-fv2f","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-q5wm-mgqx-fv2f","identifiers":["GHSA-q5wm-mgqx-fv2f","CVE-2026-86074"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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