{"id":"EUVD-2026-42612","enisaUuid":"2cda3b4b-efcc-3f42-b8ca-e0f2f475b7e0","description":"n8n is an open source workflow automation platform. Prior to 1.123.61, 2.27.4, and, 2.28.1, an authenticated user with the default workflow:create permission could pollute Object.prototype through a crafted workflow saved, updated, or imported via the workflow API, allowing unauthenticated requests to be treated as a privileged user and exposing user and project listing endpoints. This issue is fixed in versions 1.123.61, 2.27.4, and 2.28.1.","datePublished":"Jul 9, 2026, 3:30:28 PM","dateUpdated":"Jul 9, 2026, 6:38:07 PM","baseScore":7.1,"baseScoreVersion":"4.0","baseScoreVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:L/SI:L/SA:N","references":"https://github.com/n8n-io/n8n/security/advisories/GHSA-75qm-gp28-rcq9\nhttps://github.com/n8n-io/n8n/releases/tag/n8n%402.27.4\nhttps://github.com/n8n-io/n8n/releases/tag/n8n%402.28.1\n","aliases":"CVE-2026-59206\nGHSA-75qm-gp28-rcq9\n","assigner":"GitHub_M","epss":0.66,"enisaIdProduct":[{"id":"79d81d05-d98d-3e38-a44c-18bcd16342ea","product":{"name":"n8n","vendor":{"name":"n8n-io"}},"product_version":"2.28.0, \u003c 2.28.1"},{"id":"d1f366a2-fb29-3937-9e71-dce105b06b6a","product":{"name":"n8n","vendor":{"name":"n8n-io"}},"product_version":"\u003c 1.123.61"},{"id":"ec9e3ba0-c9f4-39b3-857d-4d506a8221ad","product":{"name":"n8n","vendor":{"name":"n8n-io"}},"product_version":"2.0.0-rc.0, \u003c 2.27.4"}],"enisaIdVendor":[{"id":"d40e1937-3b95-3c48-b639-938fcf5fbe90","vendor":{"name":"n8n-io"}}],"enisaIdVulnerability":[{"id":"27ecf7ea-c37d-3d36-b224-b687ae008fe5","vulnerability":{"id":"CVE-2026-59206","description":"n8n is an open source workflow automation platform. Prior to 1.123.61, 2.27.4, and, 2.28.1, an authenticated user with the default workflow:create permission could pollute Object.prototype through a crafted workflow saved, updated, or imported via the workflow API, allowing unauthenticated requests to be treated as a privileged user and exposing user and project listing endpoints. This issue is fixed in versions 1.123.61, 2.27.4, and 2.28.1.","datePublished":"Jul 9, 2026, 3:30:28 PM","dateUpdated":"Jul 9, 2026, 6:38:07 PM","status":"PUBLISHED","baseScore":7.1,"baseScoreVersion":"4.0","baseScoreVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:L/SI:L/SA:N","references":"https://github.com/n8n-io/n8n/security/advisories/GHSA-75qm-gp28-rcq9\nhttps://github.com/n8n-io/n8n/releases/tag/n8n%402.27.4\nhttps://github.com/n8n-io/n8n/releases/tag/n8n%402.28.1\n","enisa_id":"EUVD-2026-42612\n","assigner":"GitHub_M","epss":0.66,"dataProcessed":"Nov 5, 2026, 7:18:05 AM","vulnerabilityProduct":[{"id":"1b9baeb1-f484-3780-b54c-eb5d136668f4","product":{"name":"n8n","vendor":{"name":"n8n-io"}},"product_version":"2.0.0-rc.0, \u003c 2.27.4"},{"id":"21a1e59e-3424-32cf-9cd7-2072187db235","product":{"name":"n8n","vendor":{"name":"n8n-io"}},"product_version":"\u003c 1.123.61"},{"id":"2a15e17e-1ad2-3429-b2a1-780c6cffe715","product":{"name":"n8n","vendor":{"name":"n8n-io"}},"product_version":"2.28.0, \u003c 2.28.1"}],"vulnerabilityVendor":[{"id":"b8335285-9f63-3d6c-a827-65a855df99d1","vendor":{"name":"n8n-io"}}]}},{"id":"8520c86e-aa8d-390b-a7a8-d4efe544692c","vulnerability":{"id":"GHSA-75qm-gp28-rcq9","description":"n8n: Prototype Pollution via Workflow Credentials Leads to Unauthenticated User and Project Enumeration","datePublished":"Jul 22, 2026, 9:57:21 PM","dateUpdated":"Jul 22, 2026, 9:57:21 PM","baseScore":0.0,"references":"https://github.com/n8n-io/n8n/security/advisories/GHSA-75qm-gp28-rcq9\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-59206\nhttps://github.com/n8n-io/n8n\nhttps://github.com/n8n-io/n8n/releases/tag/n8n%402.27.4\nhttps://github.com/n8n-io/n8n/releases/tag/n8n%402.28.1\n","enisa_id":"EUVD-2026-42612\n","aliases":"GHSA-75qm-gp28-rcq9\nCVE-2026-59206\n","epss":0.0,"dataProcessed":"Nov 1, 2026, 2:03:08 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}}],"enisaIdAdvisory":[{"id":"c366ca03-57da-36d4-b028-8e8fe947361d","advisory":{"id":"NCSC-2026-0228","description":"Kwetsbaarheden verholpen in n8n workflow automation platform","datePublished":"Jul 13, 2026, 9:26:06 AM","dateUpdated":"Jul 13, 2026, 9:26:06 AM","baseScore":0.0,"references":"","aliases":"CVE-2026-59253\nCVE-2026-59257\nCVE-2026-59206\nCVE-2026-59207\nCVE-2026-59208\nCVE-2026-59209\n","source":{"id":19,"name":"csaf_ncscnl"},"advisoryProduct":[{"id":"1bed2fa7-2b3f-34e8-83a1-5f762ea948d8","product":{"name":"n8n","vendor":{"name":"n8n-io"}}}]}}]}