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.
Scores
CVSS v3
7.7
EPSS
0.0002
EPSS Percentile
5.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-668
CWE-200
Status
published
Products (2)
n8n/n8n
1.65.0 - 1.114.3
npm/n8n
1.65.0 - 1.114.3npm
Published
Feb 04, 2026
Tracked Since
Feb 18, 2026