High severity · published Oct 28, 2026
CVE-2026-118645
n8n before 1.123.85, 2.43.5, and 2.44.1 Filter Injection via Quick Base Node Where Parameter
New
8.7
CVSS
–
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
N8
n8n · n8n-io
before 1.123.85; 2.44.0 before 2.44.1; 2.0.0 before 2.43.5 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-118645
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-118645
vendor-advisory
https://github.com/n8n-io/n8n/security/advisories/GHSA-65mv-v8rp-54wc
third-party-advisory
https://www.vulncheck.com/advisories/n8n-before-1.123.85-2.43.5-and-2.44.1-filter-injection-via-quick-base-node-where-parameter
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