{"affected":[{"defaultStatus":"unaffected","ecosystem":"npm","packageName":"n8n","product":"n8n","source":"CNA: VulnCheck","vendor":"n8n-io","versions":[{"lessThan":"2.46.1","status":"affected","version":"2.46.0","versionType":"semver"},{"status":"unaffected","version":"2.46.1","versionType":"semver"}]},{"defaultStatus":"unaffected","ecosystem":"npm","packageName":"n8n","product":"n8n","source":"CNA: VulnCheck","vendor":"n8n-io","versions":[{"lessThan":"2.45.5","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"2.45.5","versionType":"semver"}]},{"defaultStatus":"unaffected","ecosystem":"npm","packageName":"n8n","product":"n8n","source":"CNA: VulnCheck","vendor":"n8n-io","versions":[{"lessThan":"3.0.1","status":"affected","version":"3.0.0","versionType":"semver"},{"status":"unaffected","version":"3.0.1","versionType":"semver"}]}],"cveId":"CVE-2026-126385","cwes":["CWE-306"],"description":"n8n before 2.45.5, 2.46.x before 2.46.1, and 3.x before 3.0.1 contains a flaw in the OAuth2 credential callback of the dynamic-credential connect flow, which does not verify that the completing browser belongs to the user who started the flow. Members with access to a resolvable OAuth2 credential can send the provider authorization URL to a victim; if the victim consents without an active n8n session, the victim's tokens are stored under the member's identity, letting the member's workflows act as the victim.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":4.8,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","version":"4.0"},{"score":7.7,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N","version":"3.1"},{"score":4.8,"severity":"medium","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/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","version":"4.0"},{"score":7.7,"severity":"high","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N","version":"3.1"}],"modifiedAt":1794565061800,"publishedAt":1794562558422,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-426f-xmcv-g8pg"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/n8n-before-2.46.1-oauth-account-hijack-via-unauthenticated-credential-callback"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-426f-xmcv-g8pg"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://www.vulncheck.com/advisories/n8n-before-2.46.1-oauth-account-hijack-via-unauthenticated-credential-callback"}],"remediation":[],"revision":"fa30e2e16f5ac90f8f8badcc89a2217c679b1b86fd83bfa4e9e7cecf33f325c0","sources":[{"modifiedAt":1794562558422,"name":"CNA: VulnCheck","retrievedAt":1794564634362,"url":"https://www.cve.org/CVERecord?id=CVE-2026-126385"},{"modifiedAt":1794565061800,"name":"NVD","retrievedAt":1794572193459,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126385"}],"ssvc":null,"status":"published","title":"n8n before 2.46.1 OAuth Account Hijack via Unauthenticated Credential Callback","updatedAt":1794572193459}