CVE-2025-61917
High
Description
n8n is an open source workflow automation platform. From version 1.65.0 to before 1.114.3, the use of Buffer.allocUnsafe() and Buffer.allocUnsafeSlow() in the task runner allowed untrusted code to allocate uninitialized memory. Such uninitialized buffers could contain residual data from within the same Node.js process (for example, data from prior requests, tasks, secrets, or tokens), resulting in potential information disclosure. This issue has been patched in version 1.114.3.
SeverityHigh
CVSS7.7
Exploit probability—
Product
N8n
PublishedFeb 4, 2026
First seenFeb 4, 2026
Weakness typeCWE-668CWE-668CWE-200Sensitive information exposure
How to fix
Update
- n8n n8n1.114.3 or later
- n8n1.114.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| n8n n8n | 1.65.0 ≤ v < 1.114.3 | 1.114.3 |
| n8nnpm | 1.65.0 ≤ v < 1.114.3 | 1.114.3 |
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