Vulnerability · Published Oct 28, 2026 · Assigned by VulnCheck

CVE-2026-118645n8n before 1.123.85, 2.43.5, and 2.44.1 Filter Injection via Quick Base Node Where Parameter

High 8.7

In plain English

A high-severity security flaw in n8n from n8n-io. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).

Severity (CVSS 3.1)8.7High

Exploit odds (30 days)0.2%top 86.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
n8n-io	n8n	0 – before 1.123.85
n8n-io	n8n	2.44.0 – before 2.44.1
n8n-io	n8n	2.0.0 – before 2.43.5

Weakness: CWE-943 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

References

GitHub Security Advisory (GHSA-65mv-v8rp-54wc) vendor-advisory
VulnCheck Advisory: n8n before 1.123.85, 2.43.5, and 2.44.1 Filter Injection via Quick Base Node Where Parameter third-party-advisory