{"id":"GHSA-m7jc-p4hf-xhwq","title":"Duplicate Advisory: Legacy Expression Evaluator Sanitizer Bypass Leads to Authenticated Code Execution","summary":"Duplicate Advisory: Legacy Expression Evaluator Sanitizer Bypass Leads to Authenticated Code Execution","severity":"high","cwe":["CWE-917"],"vendor":"n8n","product":"n8n","ecosystem":"npm","affected":["n8n < 1.123.64"],"published":"2026-07-22","updated":"2026-07-22","source":"GHSA","sourceUrl":"https://github.com/advisories/GHSA-m7jc-p4hf-xhwq","references":[{"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-pm35-fqvh-cq5g"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-65591"},{"url":"https://www.vulncheck.com/advisories/n8n-before-sanitizer-bypass-remote-code-execution"},{"url":"https://github.com/advisories/GHSA-m7jc-p4hf-xhwq"}],"tags":["ghsa","npm"],"ingestedAt":"2026-07-22T22:06:58.180Z","slug":"GHSA-m7jc-p4hf-xhwq","body":"## Overview\n\n## Duplicate Advisory\n\nThis advisory has been withdrawn because it is a duplicate of GHSA-pm35-fqvh-cq5g. This link is maintained to preserve external references.\n\n## Original Description\nn8n contains a sanitizer bypass vulnerability in the legacy expression evaluator's computed-member handler. An authenticated user with workflow create or modify permissions can craft a malicious expression to bypass the sanitizer and achieve host-level code execution as the n8n process. The legacy expression engine is the default in affected versions. Fixed in n8n 1.123.64, 2.29.8, and 2.30.1.\n\n## Affected packages\n\n- `n8n < 1.123.64`\n\n## Remediation\n\nRefer to the advisory for the patched release.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}