CVE-2026-65598
TOCTOU in n8n Git node allows authenticated users to execute arbitrary JavaScript on the server.
Is CVE-2026-65598 being exploited?
Not confirmed. CVE-2026-65598 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 0.25% probability of exploitation in the next 30 days.
How severe is CVE-2026-65598?
CVE-2026-65598 is rated High with a CVSS score of 8.9. 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-2026-65598?
Yes. A fix has been recorded for CVE-2026-65598. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-65598 affect?
CVE-2026-65598 affects n8n < 1.123.64, n8n < 2.29.8, n8n < 2.30.1, n8n self-hosted, and 1 further product or version. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-65598?
Upgrade to 1.123.64 / 2.29.8 / 2.30.1 and restrict Git-node access until patched.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated attacker can exploit a race to plant a repo that loads as a custom node, achieving remote arbitrary JS execution on server.
Immediate action required
- affected< 1.123.64
- affected< 2.30.1
- affected< 2.29.8
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.