CVE-2026-65589CWE-532

n8n before 1.123.64 Credential Exposure via LLM Node Execution Data

Medium · published July 22, 2026

CVSS v4.0
5.1
EPSS
0%
Percentile
40.7
In the wild
Unconfirmed
What it is

n8n versions before 1.123.64 fail to properly mask custom HTTP header credentials in LLM sub-node execution data, writing plaintext API keys and secrets to workflow execution records. Authenticated users with access to execution data can read exposed header values and credentials that persist in the database and can be exported.

The record
Technical detail
CVSS v4.0
5.1 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:H/SI:L/SA:N
EPSS
0.00484 · 40.7th percentile
Weakness
CWE-532 · Insertion of Sensitive Information into Log File
Published
2026-07-22T11:21Z
EPSS history
Timeline
  • 22 JUL 11:21Z
    n8n before 1.123.64 Credential Exposure via LLM Node Execution Data
    cvelistv5