{"id":"EUVD-2026-38476","enisaUuid":"ec27e5eb-ca16-3a1d-83a5-3298d6966e5e","description":"n8n is an open source workflow automation platform. Prior to 1.123.55, 2.25.7, and 2.26.2, three EE endpoints used by the Dynamic Credentials feature accepted any authenticated n8n session without performing per-resource ownership or scope checks on the target workflow or credential. An authenticated user with no project membership or credential sharing relationship could enumerate credential identifiers, names, and types referenced by any private workflow in the instance, initiate an OAuth authorization flow against another user\u0027s credential to overwrite its stored tokens with tokens bound to an account they control, or revoke another user\u0027s stored credential tokens entirely. Workflows relying on a hijacked credential would subsequently execute under the attacker\u0027s OAuth identity, enabling data exfiltration to attacker-controlled external services and persistent takeover of integrations. Token revocation would break affected workflows. This vulnerability is fixed in 1.123.55, 2.25.7, and 2.26.2.","datePublished":"Jun 23, 2026, 3:45:52 PM","dateUpdated":"Jun 23, 2026, 5:44:57 PM","baseScore":8.9,"baseScoreVersion":"4.0","baseScoreVector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L","references":"https://github.com/n8n-io/n8n/security/advisories/GHSA-2j5h-858j-5mpf\n","aliases":"CVE-2026-54305\nGHSA-2j5h-858j-5mpf\n","assigner":"GitHub_M","epss":0.37,"enisaIdProduct":[{"id":"436f8e31-8651-3b6e-8f00-e0afc9bed325","product":{"name":"n8n","vendor":{"name":"n8n-io"}},"product_version":"2.26.0, \u003c 2.26.2"},{"id":"5039447b-19e4-3e6a-a5bf-7a2ed41d3f6d","product":{"name":"n8n","vendor":{"name":"n8n-io"}},"product_version":"\u003c 1.123.55"},{"id":"9956438f-8dcc-331f-a165-a8fdcc63764a","product":{"name":"n8n","vendor":{"name":"n8n-io"}},"product_version":"2.0.0-rc.0, \u003c 2.25.7"}],"enisaIdVendor":[{"id":"b2a05fc2-4035-334c-9515-356415b77b7e","vendor":{"name":"n8n-io"}}],"enisaIdVulnerability":[{"id":"78ac8ce4-f617-3b11-ac96-71a91407ce8a","vulnerability":{"id":"GHSA-2j5h-858j-5mpf","description":"n8n: Cross-Tenant Credential Takeover via Dynamic Credentials EE Endpoints","datePublished":"Jun 16, 2026, 11:32:08 PM","dateUpdated":"Jul 20, 2026, 1:44:51 PM","baseScore":0.0,"references":"https://github.com/n8n-io/n8n/security/advisories/GHSA-2j5h-858j-5mpf\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-54305\nhttps://github.com/n8n-io/n8n\n","enisa_id":"EUVD-2026-38476\n","aliases":"GHSA-2j5h-858j-5mpf\nCVE-2026-54305\n","epss":0.0,"dataProcessed":"Oct 25, 2026, 1:57:08 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}},{"id":"a1e7fa04-27be-35c8-b5da-e571aeb8ef34","vulnerability":{"id":"CVE-2026-54305","description":"n8n is an open source workflow automation platform. Prior to 1.123.55, 2.25.7, and 2.26.2, three EE endpoints used by the Dynamic Credentials feature accepted any authenticated n8n session without performing per-resource ownership or scope checks on the target workflow or credential. An authenticated user with no project membership or credential sharing relationship could enumerate credential identifiers, names, and types referenced by any private workflow in the instance, initiate an OAuth authorization flow against another user\u0027s credential to overwrite its stored tokens with tokens bound to an account they control, or revoke another user\u0027s stored credential tokens entirely. Workflows relying on a hijacked credential would subsequently execute under the attacker\u0027s OAuth identity, enabling data exfiltration to attacker-controlled external services and persistent takeover of integrations. Token revocation would break affected workflows. This vulnerability is fixed in 1.123.55, 2.25.7, and 2.26.2.","datePublished":"Jun 23, 2026, 3:45:52 PM","dateUpdated":"Jun 23, 2026, 5:44:57 PM","status":"PUBLISHED","baseScore":8.9,"baseScoreVersion":"4.0","baseScoreVector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L","references":"https://github.com/n8n-io/n8n/security/advisories/GHSA-2j5h-858j-5mpf\n","enisa_id":"EUVD-2026-38476\n","assigner":"GitHub_M","epss":0.37,"dataProcessed":"Oct 30, 2026, 7:16:47 AM","vulnerabilityProduct":[{"id":"2125ebc3-101d-3a28-976b-293eb3a5114e","product":{"name":"n8n","vendor":{"name":"n8n-io"}},"product_version":"2.0.0-rc.0, \u003c 2.25.7"},{"id":"735fef23-ea7b-3693-a741-e211e06726c6","product":{"name":"n8n","vendor":{"name":"n8n-io"}},"product_version":"2.26.0, \u003c 2.26.2"},{"id":"f0fdb46a-5485-37c7-938f-fc0a3184cfd1","product":{"name":"n8n","vendor":{"name":"n8n-io"}},"product_version":"\u003c 1.123.55"}],"vulnerabilityVendor":[{"id":"88d124c8-0b9b-3de5-9346-76dc92727f2d","vendor":{"name":"n8n-io"}}]}}],"enisaIdAdvisory":[{"id":"07e84883-e4cb-396c-a044-9025ede4e9bd","advisory":{"id":"NCSC-2026-0212","description":"Kwetsbaarheden verholpen in n8n workflow automation platform","datePublished":"Jun 29, 2026, 8:02:42 AM","dateUpdated":"Jun 29, 2026, 8:02:42 AM","baseScore":0.0,"references":"","aliases":"CVE-2026-54301\nCVE-2026-54302\nCVE-2026-54304\nCVE-2026-54305\nCVE-2026-54306\nCVE-2026-54307\nCVE-2026-54308\nCVE-2026-54309\nCVE-2026-54310\nCVE-2026-54311\nCVE-2026-54312\nCVE-2026-54313\nCVE-2026-54314\nCVE-2026-54303\n","source":{"id":19,"name":"csaf_ncscnl"},"advisoryProduct":[{"id":"9b0181f2-7f6b-3f30-80cf-cc01cf736196","product":{"name":"n8n","vendor":{"name":"n8n-io"}}}]}}]}