{"id":"GHSA-777w-rpr6-c52h","revision":"835aa1663fa941f7ac0d9820350ca2d9","records":[{"revision":"835aa1663fa941f7ac0d9820350ca2d9","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-777w-rpr6-c52h","aliases":["CVE-2026-65595"],"title":"n8n: Privilege Escalation and Code Execution via Full Public API Key Scope Assignment to Token Exchange JWTs","description":"## Impact\n\nJWTs issued through the Token Exchange module were assigned all Public API key scopes, regardless of the acting user's actual role. A low-privileged user who could obtain a valid external JWT trusted by a configured issuer could therefore use the resulting access token to invoke administrator-only Public API operations, such as role escalation, user creation, and user deletion.\n\nThe issue only affects instances where the Token Exchange feature and the Public API are enabled (N8N_TOKEN_EXCHANGE_ENABLED=true, N8N_ENV_FEAT_TOKEN_EXCHANGE=true) and the attacker can obtain an external JWT accepted by a configured trusted key. Role escalation additionally requires an Advanced Permissions license; Community Package installation additionally requires `N8N_COMMUNITY_PACKAGES_ENABLED=true` and `N8N_UNVERIFIED_PACKAGES_ENABLED=true`.\n\n## Patches\n\nThe issue has been fixed in n8n version 2.30.1 and 2.29.8. Users should upgrade to this version or later to remediate the vulnerability.\n\n## Workarounds\n\nIf upgrading is not immediately possible, administrators should consider the following temporary mitigations:\n- Disable the Token Exchange feature by setting `N8N_TOKEN_EXCHANGE_ENABLED=false` or `N8N_ENV_FEAT_TOKEN_EXCHANGE=false`.\n- If Token Exchange cannot be disabled, restrict Public API access at the network level to trusted clients only.\n- Disable unverified Community Package installation by setting `N8N_UNVERIFIED_PACKAGES_ENABLED=false` to eliminate the code execution path.\n\nThese workarounds do not fully remediate the risk and should only be used as short-term mitigation measures.","state":0,"publishedAt":"2026-07-22T22:00:07+00:00","modifiedAt":"2026-07-22T22:26:48.245542+00:00","affected":[{"ecosystem":"npm","name":"n8n","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"2.30.0"},{"kind":"fixed","version":"2.30.1"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"npm","name":"n8n","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"2.29.8"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V4","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:L/SA:L","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/n8n-io/n8n/security/advisories/GHSA-777w-rpr6-c52h","https://nvd.nist.gov/vuln/detail/CVE-2026-65595","https://github.com/n8n-io/n8n","https://github.com/n8n-io/n8n/releases/tag/n8n@2.29.8","https://github.com/n8n-io/n8n/releases/tag/n8n@2.30.1","https://www.vulncheck.com/advisories/n8n-before-privilege-escalation-via-token-exchange"],"sourceUrl":"https://github.com/advisories/GHSA-777w-rpr6-c52h","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-777w-rpr6-c52h","identifiers":["GHSA-777w-rpr6-c52h","CVE-2026-65595"]},"retained":false,"historicalAffected":[]}],"coverage":[]}