Vulnerability in N8n-Io N8n
CVE-2026-118645
n8n before 1.123.85, 2.x before 2.43.5, and 2.44.x before 2.44.1 contains a filter injection vulnerability in the Quick Base node, which sends the Where filter to the Quick Base API as raw query text. Attackers supplying untrusted input such as webhook data used to build the filter can make Get Many return every record or Delete remove every record with the workflow credential's privileges.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/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-65mv-v8rp-54wc (vendor-advisory)
- www.vulncheck.com/advisories/n8n-before-1.123.85-2.43.5-and-2.44.1-filter-injec… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-118645?
- CVE-2026-118645 is a high-severity vulnerability in N8n-Io N8n, classified under Improper Neutralization of Special Elements in Data Query Logic. CVSS score: 8.7/10. Published 2026-10-28.
- How severe is CVE-2026-118645?
- High severity. CVSS v3 base score is 8.7 out of 10.