Privilege escalation in N8n-Io N8n
CVE-2026-118644
n8n before 2.41.5 and 2.42.x before 2.42.2 passes a failed workflow's full execution context, including the identity of the user who started the run, to the configured error workflow. A project editor can set a colleague's workflow settings.errorWorkflow to an error workflow they own, inherit the colleague's identity when that workflow fails, and resolve the colleague's per-user dynamic credential secrets.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/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-pcr3-v5vr-qppf (vendor-advisory)
- www.vulncheck.com/advisories/n8n-before-2.41.5-and-2.42.2-credential-theft-via-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-118644?
- CVE-2026-118644 is a high-severity vulnerability in N8n-Io N8n, classified under Incorrect Privilege Assignment. CVSS score: 7.7/10. Published 2026-10-28.
- How severe is CVE-2026-118644?
- High severity. CVSS v3 base score is 7.7 out of 10.