CVE-2026-65591

UNKNOWN 0.0

n8n before 1.123.64 Sanitizer Bypass Remote Code Execution

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-917
Vendor	n8n-io
Product	n8n
Published	Jul 22, 2026

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Affected Versions

n8n-io / n8n

0 < 1.123.64

n8n-io / n8n

0 < 2.30.1

n8n-io / n8n

0 < 2.29.8

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/n8n-io/n8n/security/advisories/GHSA-pm35-fqvh-cq5g vulncheck.com: https://www.vulncheck.com/advisories/n8n-before-sanitizer-bypass-remote-code-execution

Credits

🔍 Dremig