CVE-2026-65589: n8n — AWAITING NVD

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...

Full CISO analysis pending enrichment.

What systems are affected?

Package	Ecosystem	Vulnerable Range	Patched
n8n	npm	—	No patch
197.0K OpenSSF 6.6 16 dependents Pushed 3d ago 43% patched ~7d to patch Full package profile →

Do you use n8n? You're affected.

How severe is it?

CVSS 3.1

N/A

EPSS

N/A

Exploitation Status

No known exploitation

Sophistication

N/A

What should I do?

No patch available

Monitor for updates. Consider compensating controls or temporary mitigations.

Which compliance frameworks are affected?

Compliance analysis pending. Sign in for full compliance mapping when available.

Frequently Asked Questions

What is CVE-2026-65589?

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.

Is CVE-2026-65589 actively exploited?

No confirmed active exploitation of CVE-2026-65589 has been reported, but organizations should still patch proactively.

How to fix CVE-2026-65589?

No patch is currently available. Monitor vendor advisories for updates.

What is the CVSS score for CVE-2026-65589?

No CVSS score has been assigned yet.

What are the technical details?

Original Advisory

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.

Weaknesses (CWE)

CWE-532 Insertion of Sensitive Information into Log File Primary CWE-532 Insertion of Sensitive Information into Log File

CWE-532 — Insertion of Sensitive Information into Log File: The product writes sensitive information to a log file.

[Architecture and Design, Implementation] Consider seriously the sensitivity of the information written into log files. Do not write secrets into the log files.
[Distribution] Remove debug log files before deploying the application into production.

Source: MITRE CWE corpus.