{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-59208", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-02T21:05:02.924Z", "datePublished": "2026-07-09T15:27:28.126Z", "dateUpdated": "2026-07-09T15:27:28.126Z"}, "containers": {"cna": {"title": "n8n: Cross-Issuer Token Exchange Account Binding via Subject-Only Identity Resolution", "problemTypes": [{"descriptions": [{"cweId": "CWE-287", "lang": "en", "description": "CWE-287: Improper Authentication", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-346", "lang": "en", "description": "CWE-346: Origin Validation Error", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 7.6, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/n8n-io/n8n/security/advisories/GHSA-mq3m-f8x3-579w", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/n8n-io/n8n/security/advisories/GHSA-mq3m-f8x3-579w"}, {"name": "https://github.com/n8n-io/n8n/releases/tag/n8n%402.27.4", "tags": ["x_refsource_MISC"], "url": "https://github.com/n8n-io/n8n/releases/tag/n8n%402.27.4"}, {"name": "https://github.com/n8n-io/n8n/releases/tag/n8n%402.28.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/n8n-io/n8n/releases/tag/n8n%402.28.1"}], "affected": [{"vendor": "n8n-io", "product": "n8n", "versions": [{"version": ">= 2.28.0, < 2.28.1", "status": "affected"}, {"version": "< 2.27.4", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-09T15:27:28.126Z"}, "descriptions": [{"lang": "en", "value": "n8n is an open source workflow automation platform. Prior to 2.27.4 and from 2.28.0 prior to 2.28.1, n8n instances configured with more than one trusted token-exchange issuer resolved external identities to local accounts using only the JWT sub claim and ignored the iss claim, allowing an attacker with a valid token from one trusted issuer and a sub matching a victim under another issuer to authenticate as that victim. This issue is fixed in versions 2.27.4 and 2.28.1."}], "source": {"advisory": "GHSA-mq3m-f8x3-579w", "discovery": "UNKNOWN"}}}}

{}

{}

{}

{}