CVE-2026-118645: n8n-io n8n (High, CVSS 7)

Remote Attacker
CVE-2026-118645Highn8n-io n8n
CVSS
7 High (v4.0)
EPSS
0.2% chance of exploitation in the next 30 days (higher than 13.9% of CVEs)
Exploited in the wild
Not on CISA’s KEV list
Public exploit
None reported in public exploit databases
Weakness
CWE-943
Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
Published
Oct 28, 2026

What it is

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.

Description from the National Vulnerability Database.

What to do

Check whether you run n8n-io n8n, then apply the vendor’s fix or mitigation from the advisories below.

Sources: NVD, FIRST EPSS, CISA KEV, and public exploit databases (availability only). ThreatRoundup reports whether public exploit code exists but never links to it: fake proof-of-concepts that infect security researchers are common. This page updates automatically.