What is CVE-2025-68949?

CVE-2025-68949 is a medium-severity vulnerability in N8n, classified under Use of Externally-Controlled Format String. CVSS score: 5.3/10. Published 2026-01-13.

How severe is CVE-2025-68949?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in N8n

CVE-2025-68949

n8n is an open source workflow automation platform. From 1.36.0 to before 2.2.0, the Webhook node’s IP whitelist validation performed partial string matching instead of exact IP comparison. As a result, an incoming request could be accepte…

EPSS: 0.003 (16.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

N8n
N8n-io N8n — versions >= 1.36.0, < 2.2.0

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2025-68949?: CVE-2025-68949 is a medium-severity vulnerability in N8n, classified under Use of Externally-Controlled Format String. CVSS score: 5.3/10. Published 2026-01-13.
How severe is CVE-2025-68949?: Medium severity. CVSS v3 base score is 5.3 out of 10.