CVE-2026-54310

published 2026-06-23

CVE-2026-54310: 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…

Priority P2 64 critical 9.9 CVSS 3.1

AV N AC L PR L UI N S C C H I H A H

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

6 ranges

Vendor	Product	Version range	Fixed in
n8n-io	n8n	< 2.25.7	2.25.7
n8n-io	n8n	—	—
n8n	n8n	< 2.25.7	2.25.7
n8n	n8n	>= 0 < 2.25.7	2.25.7
n8n	n8n	>= 2.26.0 < 2.26.2	2.26.2
n8n	n8n	>= 2.26.0 < 2.26.2	2.26.2

CVSS provenance

nvd v3.1 9.9 CRITICAL CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

nvd v4.0 6.5 MEDIUM CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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CWE-89