by Kastro
Paper/Archive/CVE-2026-54310

CVE-2026-54310

n8n-io n8n — n8n: SQL Injection in Postgres v1/TimesclaeDB Nodes

EPSS 0.5%CVSS 9.9
critical.is priorityof 100
39
CVSS 9.9 (NVD)9.9 / 10 × 3029.7Not in CISA KEV+300.0EPSS percentile 45.6.456 × 209.1No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, an authenticated user with permission to create or modify workflows could supply a crafted parameters to the TimescaleDB and/or legacy Postgres v1 node's allowing arbitrary SQL to be injected and executed against the connected database within the privileges of the configured database account. This vulnerability is fixed in 2.25.7 and 2.26.2.

Affected

ProductAffectedFixed inSource
n8n>= 2.26.0, < 2.26.2–CNA
n8n< 2.25.7–CNA

Scores by source

NVD9.9CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
GitHub_M (CNA)6.5CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: partial

References

refgithub.com/n8n-io/n8n/security/advisories/GHSA-c37g-w77q-m4vp