What is CVE-2026-25115?

CVE-2026-25115 is a critical-severity vulnerability in N8n, classified under Protection Mechanism Failure. CVSS score: 9.9/10. Published 2026-02-04.

How severe is CVE-2026-25115?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Vulnerability in N8n

CVE-2026-25115

n8n is an open source workflow automation platform. Prior to version 2.4.8, a vulnerability in the Python Code node allows authenticated users to break out of the Python sandbox environment and execute code outside the intended security boundary. This issue has been patched in version 2.4.8.

EPSS: 0.005 (41.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

N8n
N8n-io N8n — versions < 2.4.8

Weakness classification (CWE)

CWE-693 — Protection Mechanism Failure

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2026-25115?: CVE-2026-25115 is a critical-severity vulnerability in N8n, classified under Protection Mechanism Failure. CVSS score: 9.9/10. Published 2026-02-04.
How severe is CVE-2026-25115?: Critical severity. CVSS v3 base score is 9.9 out of 10.