CVE-2026-65589
5.1
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
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n8n-io | n8n | 0 < 1.123.64 | affected |
| n8n-io | n8n | 1.123.64 | unaffected |
| n8n-io | n8n | 0 < 2.30.1 | affected |
| n8n-io | n8n | 2.30.1 | unaffected |
| n8n-io | n8n | 0 < 2.29.8 | affected |
| n8n-io | n8n | 2.29.8 | unaffected |
Weaknesses
- CWE-532: Insertion of Sensitive Information into Log File
References
- https://github.com/n8n-io/n8n/security/advisories/GHSA-89gh-3pgc-v5h2
- https://www.vulncheck.com/advisories/n8n-before-credential-exposure-via-llm-node-execution-data
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.