{"items":[{"id":"NVI-00015318","kind":"vulnerability","title":"n8n: Instance AI Credential Setup Accepts Unvalidated Probe URL from Fetched Content","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-q5wm-mgqx-fv2f","CVE-2026-86074"],"plain_summary":"GitHub lists this reviewed advisory for n8n, n8n. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-5adaea4ca416eab47a3ab9f0b618b426"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-5adaea4ca416eab47a3ab9f0b618b426","url":"https://github.com/advisories/GHSA-q5wm-mgqx-fv2f","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-q5wm-mgqx-fv2f","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T22:54:05.264Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5adaea4ca416eab47a3ab9f0b618b426"],"technology":"n8n","known_exclusions":[],"conditions_summary":"## 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.","public_affected_ranges":[">= 2.38.0, < 2.38.2"]},{"certainty":"source_listed","source_ids":["sr-5adaea4ca416eab47a3ab9f0b618b426"],"technology":"n8n","known_exclusions":[],"conditions_summary":"## 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.","public_affected_ranges":["< 2.37.7"]}],"null_published_at":"2026-11-03T10:03:26.569Z","source_updated_at":"2026-09-10T21:18:48.000Z","source_disclosed_at":"2026-09-10T21:18:48.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-01T22:54:05.264Z"}],"next_cursor":null,"snapshot_revision":"42594"}