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.
- CVSS 4.0
- 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 - CVSS 3.1
- 6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-10-25)
- CWE
- CWE-532
- Published
- Modified
- Record from
- the NVD, synced
Affected
- n8n:n8n
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-89gh-3pgc-v5h2 | npm | n8n | <1.123.64 | 1.123.64 |
| GHSA-89gh-3pgc-v5h2 | npm | n8n | >=2.30.0 <2.30.1 | 2.30.1 |
| GHSA-89gh-3pgc-v5h2 | npm | n8n | >=2.0.0-rc.0 <2.29.8 | 2.29.8 |