Vulnerability in N8n-Io N8n
CVE-2026-118677
n8n before 2.41.4 and 2.42.x before 2.42.1 contains a missing confirmation vulnerability in the Local Gateway desktop app that allows its deep-link connect handler to silently re-pair the app with a different n8n instance. Attackers can lure users running the Local Gateway into opening a crafted n8n-computer-use:// link to connect their computer to an attacker-controlled instance, inheriting previously granted permissions and acting on the computer through the gateway.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/n8n-io/n8n/security/advisories/GHSA-cwm2-vhf5-27q9 (vendor-advisory)
- www.vulncheck.com/advisories/n8n-before-2.41.4-and-2.42.1-local-gateway-deep-li… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-118677?
- CVE-2026-118677 is a medium-severity vulnerability in N8n-Io N8n, classified under CWE-939. CVSS score: 5.9/10. Published 2026-10-28.
- How severe is CVE-2026-118677?
- Medium severity. CVSS v3 base score is 5.9 out of 10.