CVE-2026-85165

Summary

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.

Affected Software

Weaknesses

• CWE-95: Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

References

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

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