n8n — Info Disclosure (CVE-2025-61917)
Date: 2026-02
Affected: n8n/n8n
Attack vector: info-disclosure
Category: vulnerability-disclosure
Severity: High
CVE: CVE-2025-61917
CWE: CWE-200
CWE-668
CVSS: 7.7 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N)

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.


Mitigations:

Architectural layers (MAESTRO):