CVE-2026-0863
Authenticated user can bypass sandbox and run unrestricted Python code.
Is CVE-2026-0863 being exploited?
Not confirmed. CVE-2026-0863 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 8.8% probability of exploitation in the next 30 days.
How severe is CVE-2026-0863?
CVE-2026-0863 is rated High with a CVSS score of 8.5. 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-2026-0863?
Yes. A fix has been recorded for CVE-2026-0863. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-0863 affect?
CVE-2026-0863 affects n8n automation platform. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-0863?
Patch when available; harden sandbox and review execution mode.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Arbitrary Python code execution on host; full takeover in Internal mode; External mode containment in Sidecar.
Patch when possible