CVE-2026-118677 n8n before 2.41.4 and 2.42.1 Local Gateway Deep-Link Silent Re-pairing to Attacker Instance
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-118677?
CVE-2026-118677 is a medium-severity vulnerability in n8n-io n8n, published on 28 Oct 2026.
Official description
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.
Weakness: CWE-939
Which versions are affected by CVE-2026-118677?
How do I fix CVE-2026-118677?
No fix has been published for CVE-2026-118677 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-118677 being exploited?
There is no known exploitation of CVE-2026-118677 in the wild and no public exploit code.
Sources
Also known as GHSA-cwm2-vhf5-27q9, GHSA-qmh8-47xc-q5c6.