{"id":"CVE-2026-77080","aliases":["GHSA-r4j2-j3wm-q689"],"url":"https://o3.security/vulnerability/CVE-2026-77080","summary":"n8n before 1.123.69 Arbitrary File Read and Write via Snowflake","details":"n8n before 1.123.69, 2.x before 2.33.4, and 2.34.x before 2.34.1 contain an arbitrary file read and write vulnerability in the Snowflake node, which passes free-form Execute Query input, including client-side commands, directly to the Snowflake SDK without applying n8n's file-access restrictions. An authenticated user with usable Snowflake credentials can upload a local file from the n8n host or overwrite an existing file with a staged one.","published":"2026-08-20T11:21:12.357Z","modified":"2026-08-22T03:58:13.926801183Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/77xxx/CVE-2026-77080.json"},{"type":"ADVISORY","url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-r4j2-j3wm-q689"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-77080"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/n8n-before-arbitrary-file-read-and-write-via-snowflake"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-22T03:58:13.926801183Z"}}