CVE-2026-65589
MEDIUMn8n before 1.123.64 Credential Exposure via LLM Node Execution Data
Title source: cnaDescription
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.
References (2)
Core 2
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-89gh-3pgc-v5h2)
https://github.com/n8n-io/n8n/security/advisories/GHSA-89gh-3pgc-v5h2
Third Party Advisory third-party-advisory
VulnCheck Advisory: n8n before 1.123.64 Credential Exposure via LLM Node Execution Data
https://www.vulncheck.com/advisories/n8n-before-credential-exposure-via-llm-node-execution-data
Scores
CVSS v3
6.5
EPSS
0.0037
EPSS Percentile
29.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-532
Status
published
Products (11)
n8n/n8n
2.30.0 (2 CPE variants)
n8n/n8n
< 1.123.64 (2 CPE variants)
n8n-io/n8n
< 1.123.64
n8n-io/n8n
< 2.29.8
n8n-io/n8n
< 2.30.1
n8n-io/n8n
1.123.64
n8n-io/n8n
2.29.8
n8n-io/n8n
2.30.1
npm/n8n
0 - 1.123.64npm
npm/n8n
2.0.0-rc.0 - 2.29.8npm
... and 1 more
Published
Jul 22, 2026
Tracked Since
Jul 22, 2026