CVE-2026-85169
Sandbox escape in n8n $fromAI handler enables RCE via prototype chain.
Is CVE-2026-85169 being exploited?
Not confirmed. CVE-2026-85169 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.39% probability of exploitation in the next 30 days.
How severe is CVE-2026-85169?
CVE-2026-85169 is rated High with a CVSS score of 8.7. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-85169?
Yes. A fix has been recorded for CVE-2026-85169. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-85169 affect?
CVE-2026-85169 affects n8n versions before 1.123.73, 2.35.4, and 2.36.2. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-85169?
Upgrade to n8n 1.123.73, 2.35.4, or 2.36.2+ and revoke unnecessary workflow-build privileges.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated user with workflow-build privilege can walk prototype to Function and execute arbitrary code in the n8n main process (RCE).
Immediate action required
- affected< 1.123.73
- affected< 2.36.2
- affected< 2.35.4
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.