Information disclosure in N8n-Io N8n
CVE-2026-118643
n8n before 1.123.85, 2.x before 2.43.5, and 2.44.x before 2.44.1 stores credential secrets in execution error data when operations fail in the Git, MongoDB Atlas Vector Store, and Google Cloud Storage nodes. Users who can view a workflow's executions but cannot read the credential can recover Git passwords or tokens, MongoDB database passwords, or Google access tokens from that data.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/n8n-io/n8n/security/advisories/GHSA-qmvv-q3c9-wpp7 (vendor-advisory)
- www.vulncheck.com/advisories/n8n-before-1.123.85-2.43.5-and-2.44.1-credential-e… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-118643?
- CVE-2026-118643 is a high-severity vulnerability in N8n-Io N8n, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 8.2/10. Published 2026-10-28.
- How severe is CVE-2026-118643?
- High severity. CVSS v3 base score is 8.2 out of 10.