{"id":"EUVD-2026-38482","enisaUuid":"e3249aee-180a-31c0-97c8-e57a9b77b3c4","description":"n8n is an open source workflow automation platform. Prior to 1.123.43, 2.22.1, and 2.20.7, the OAuth1 and OAuth2 credential reconnect endpoints authorized access using credential:read rather than credential:update. An authenticated user with read-only access to a shared credential could initiate an OAuth reconnect flow and overwrite the stored token material for that credential with tokens bound to an external account they control. Workflows relying on the affected credential would subsequently execute under the attacker\u0027s OAuth identity, enabling data exfiltration to attacker-controlled external services and persistent takeover of shared integrations. This vulnerability is fixed in 1.123.43, 2.22.1, and 2.20.7.","datePublished":"Jun 23, 2026, 3:52:19 PM","dateUpdated":"Jun 26, 2026, 7:31:18 PM","baseScore":8.3,"baseScoreVersion":"4.0","baseScoreVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N","references":"https://github.com/n8n-io/n8n/security/advisories/GHSA-6h4j-wcr9-2vg7\n","aliases":"CVE-2026-45732\nGHSA-6h4j-wcr9-2vg7\n","assigner":"GitHub_M","epss":0.35,"enisaIdProduct":[{"id":"0c1164c1-a3c4-3a77-b581-7252349fd0ac","product":{"name":"n8n","vendor":{"name":"n8n-io"}},"product_version":"\u003c 1.123.43"},{"id":"0f0993ce-1a66-30ed-893e-0dccbac99696","product":{"name":"n8n","vendor":{"name":"n8n-io"}},"product_version":"2.21.0, \u003c 2.21.1"},{"id":"c8777808-9350-3bf3-a86c-37840c1c990f","product":{"name":"n8n","vendor":{"name":"n8n-io"}},"product_version":"2.0.0-rc.0, \u003c 2.20.7"}],"enisaIdVendor":[{"id":"5f987320-6536-3fad-8f24-0dd6eec9ba2e","vendor":{"name":"n8n-io"}}],"enisaIdVulnerability":[{"id":"01ce3634-fc2d-3532-9995-0fec2b1b9abf","vulnerability":{"id":"GHSA-6h4j-wcr9-2vg7","description":"n8n Has a Cross-user Authorization Bypass in Dynamic Credential OAuth Endpoints","datePublished":"May 14, 2026, 4:18:14 PM","dateUpdated":"Jul 20, 2026, 1:41:21 PM","baseScore":0.0,"references":"https://github.com/n8n-io/n8n/security/advisories/GHSA-6h4j-wcr9-2vg7\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-45732\nhttps://github.com/n8n-io/n8n\n","enisa_id":"EUVD-2026-38482\n","aliases":"CVE-2026-45732\nGHSA-6h4j-wcr9-2vg7\n","epss":0.0,"dataProcessed":"Nov 1, 2026, 2:00:21 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}},{"id":"5207e29a-5d1a-32c3-bb2b-9ff6a3899f70","vulnerability":{"id":"CVE-2026-45732","description":"n8n is an open source workflow automation platform. Prior to 1.123.43, 2.22.1, and 2.20.7, the OAuth1 and OAuth2 credential reconnect endpoints authorized access using credential:read rather than credential:update. An authenticated user with read-only access to a shared credential could initiate an OAuth reconnect flow and overwrite the stored token material for that credential with tokens bound to an external account they control. Workflows relying on the affected credential would subsequently execute under the attacker\u0027s OAuth identity, enabling data exfiltration to attacker-controlled external services and persistent takeover of shared integrations. This vulnerability is fixed in 1.123.43, 2.22.1, and 2.20.7.","datePublished":"Jun 23, 2026, 3:52:19 PM","dateUpdated":"Jun 26, 2026, 7:31:18 PM","status":"PUBLISHED","baseScore":8.3,"baseScoreVersion":"4.0","baseScoreVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N","references":"https://github.com/n8n-io/n8n/security/advisories/GHSA-6h4j-wcr9-2vg7\n","enisa_id":"EUVD-2026-38482\n","assigner":"GitHub_M","epss":0.35,"dataProcessed":"Nov 7, 2026, 7:21:28 AM","vulnerabilityProduct":[{"id":"0d7a7139-8226-3244-a109-625e632bc4c2","product":{"name":"n8n","vendor":{"name":"n8n-io"}},"product_version":"2.0.0-rc.0, \u003c 2.20.7"},{"id":"311a37b7-e2c3-3cc6-b0d9-a595653802be","product":{"name":"n8n","vendor":{"name":"n8n-io"}},"product_version":"\u003c 1.123.43"},{"id":"fad76775-5a2f-344f-bc78-ca54dd976439","product":{"name":"n8n","vendor":{"name":"n8n-io"}},"product_version":"2.21.0, \u003c 2.21.1"}],"vulnerabilityVendor":[{"id":"8e27142a-1480-3a68-9147-353be6ba8c43","vendor":{"name":"n8n-io"}}]}}],"enisaIdAdvisory":[{"id":"ddee3e70-29e1-3c66-87c8-7cd73b9398ce","advisory":{"id":"WID-SEC-W-2026-1519","description":"n8n: Mehrere Schwachstellen","summary":"Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in n8n ausnutzen, um beliebigen Programmcode auszuführen, Sicherheitsmaßnahmen zu umgehen, SQL-Injection-Angriffe durchzuführen, Daten zu manipulieren oder vertrauliche Informationen offenzulegen.","datePublished":"May 12, 2026, 10:00:00 PM","dateUpdated":"Jun 22, 2026, 10:00:00 PM","baseScore":0.0,"references":"https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1519.json\nhttps://wid.cert-bund.de/portal/wid/securityadvisory?name\u003dWID-SEC-2026-1519\n","aliases":"CVE-2026-44789\nCVE-2026-44790\nCVE-2026-44791\nCVE-2026-44792\nCVE-2026-45732\nCVE-2026-56348\n","source":{"id":8,"name":"csaf_certbund"},"advisoryProduct":[{"id":"876ce0a6-cb42-3ffa-84fb-11f240950a2f","product":{"name":"n8n","vendor":{"name":"n8n-io"}}},{"id":"bc6a8942-a8dc-3147-814d-e2522d79d961","product":{"name":"2.21.1","vendor":{"name":"Barco"}}},{"id":"ca630acb-95a7-32bc-a4dd-069d9fea0b5a","product":{"name":"2.20.7","vendor":{"name":"n8n"}}},{"id":"da0d04df-cc70-3ea5-b822-199d410674cb","product":{"name":"2.20.0","vendor":{"name":"n8n"}}},{"id":"f123590f-7218-34f0-942b-3c5437453fbb","product":{"name":"1.123.43","vendor":{"name":"n8n"}}},{"id":"ffcf765e-b681-37d8-80f9-df47bcbb0ca4","product":{"name":"2.22.1","vendor":{"name":"Dell"}}}]}}]}