CVE-2026-25631 Domain allowlist bypass enables credential exfiltration
Authenticated attackers can bypass domain allowlists in n8n to exfiltrate credentials if wildcard patterns are used in allowed domains.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-25631?
CVE-2026-25631 is a medium-severity vulnerability in N8n N8n, published on 6 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
n8n is an open source workflow automation platform. Prior to 1.121.0, there is a vulnerability in the HTTP Request node's credential domain validation allowed an authenticated attacker to send requests with credentials to unintended domains, potentially leading to credential exfiltration. This only might affect user who have credentials that use wildcard domain patterns (e.g., *.example.com) in the "Allowed domains" setting. This issue is fixed in version 1.121.0 and later.
Which versions are affected by CVE-2026-25631?
2 open source packages ship an affected version, including n8n. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
n8n npm | All versions | 1.121.0 |
n8n npm | All versions | 1.121.0 |
Products include N8n N8n.
How do I fix CVE-2026-25631?
Upgrade n8n to 1.121.0 or later.
Is CVE-2026-25631 being exploited?
There is no known exploitation of CVE-2026-25631 in the wild and no public exploit code.
Other vulnerabilities in N8n N8n
- CVE-2025-68613 n8n Improper Control of Dynamically-Managed Code Resources
- CVE-2026-21877 n8n is vulnerable to Remote Code Execution via Arbitrary File Write
- CVE-2026-21858 n8n Vulnerable to Unauthenticated File Access via Improper Webhook Request Handling
- CVE-2026-1470 n8n Unsafe Workflow Expression Evaluation Allows Remote Code Execution
- CVE-2025-68668 n8n Vulnerable to Arbitrary Command Execution in Pyodide based Python Code Node
Sources
Also known as GHSA-2xcx-75h9-vr9h.