CVE-2026-65591
CVE-2026-65591 · n8n before 1.123.64 Sanitizer Bypass Remote Code Execution
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 8.9 · High · EPSS 0.7% · Fix available
- Published
- Updated
Stack: node
Affected products and versions
n8n
- Versions
- ≥ 0, < 1.123.64: Affected (semver)
- 1.123.64: Not affected (semver)
Update to 1.123.64
n8n
- Versions
- ≥ 0, < 2.30.1: Affected (semver)
- 2.30.1: Not affected (semver)
Update to 2.30.1
n8n
- Versions
- ≥ 0, < 2.29.8: Affected (semver)
- 2.29.8: Not affected (semver)
Update to 2.29.8
n8n npm
- Affected ranges
- SEMVER: < 1.123.64
Update to 1.123.64
n8n npm
- Affected ranges
- SEMVER: ≥ 2.30.0, < 2.30.1
Update to 2.30.1
n8n npm
- Affected ranges
- SEMVER: ≥ 2.0.0-rc.0, < 2.29.8
Update to 2.29.8