CVE-2026-85165

UNKNOWN 0.0

n8n before 2.36.2 Expression Sandbox Bypass via SpreadElement

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

n8n versions before 2.36.2 contain an expression sandbox bypass vulnerability where free identifiers in spread, computed-key, switch-case, or class-extension positions resolve against process globals. Authenticated users with workflow-edit permission can mutate host objects through expression evaluation, with changes persisting process-wide until restart.

CWE	CWE-95
Vendor	n8n-io
Product	n8n
Published	Sep 3, 2026
Last Updated	Sep 3, 2026

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Affected Versions

n8n-io / n8n

0 < 2.36.2

n8n-io / n8n

0 < 2.35.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/n8n-io/n8n/security/advisories/GHSA-fg85-4wv2-p98j vulncheck.com: https://www.vulncheck.com/advisories/n8n-before-2.36.2-expression-sandbox-bypass-via-spreadelement

Credits

🔍 th3-j0k3r