High severityNVD Advisory· Published Jul 22, 2026· Updated Jul 22, 2026
n8n before 1.123.64 Sanitizer Bypass Remote Code Execution
CVE-2026-65591
Description
n8n 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.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
n8nnpm | < 1.123.64 | 1.123.64 |
n8nnpm | >= 2.30.0, < 2.30.1 | 2.30.1 |
n8nnpm | >= 2.0.0-rc.0, < 2.29.8 | 2.29.8 |
Affected products
1Patches
Vulnerability mechanics
References
7- github.com/advisories/GHSA-pm35-fqvh-cq5gghsaADVISORY
- github.com/n8n-io/n8n/security/advisories/GHSA-pm35-fqvh-cq5gghsavendor-advisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-65591ghsaADVISORY
- www.vulncheck.com/advisories/n8n-before-sanitizer-bypass-remote-code-executionghsathird-party-advisoryWEB
- github.com/n8n-io/n8n/releases/tag/[email protected]ghsaWEB
- github.com/n8n-io/n8n/releases/tag/[email protected]ghsaWEB
- github.com/n8n-io/n8n/releases/tag/[email protected]ghsaWEB
News mentions
0No linked articles in our index yet.