CVE-2026-54310— n8n: SQL Injection in Postgres v1/TimesclaeDB Nodes
Quick assessment
Affected
n8n-io n8n
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
n8n是n8n公司开源的一个可扩展的工作流自动化工具。 n8n 2.25.7之前版本和2.26.2之前版本存在SQL注入漏洞，该漏洞源于用户可向TimescaleDB或Postgres v1节点提供特制参数，允许任意SQL注入并执行。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-54310
Vulnerability Information
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Vulnerability Title
n8n: SQL Injection in Postgres v1/TimesclaeDB Nodes
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
n8n SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
n8n是n8n公司开源的一个可扩展的工作流自动化工具。 n8n 2.25.7之前版本和2.26.2之前版本存在SQL注入漏洞，该漏洞源于用户可向TimescaleDB或Postgres v1节点提供特制参数，允许任意SQL注入并执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-54310
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-54310 (1)
Same Patch Batch · n8n-io · 2026-06-23 · 21 CVEs total
| CVE-2026-54302 | n8n: Stored XSS in Chat Trigger Node | |
| CVE-2026-44791 | n8n: XML Node Prototype Pollution Patch Bypass | |
| CVE-2026-44789 | n8n: HTTP Request Node Pagination Prototype Pollution to RCE | |
| CVE-2026-44792 | n8n: Source Control Pull SQL Injection | |
| CVE-2026-44790 | n8n: Arbitrary File Read via Git Node | |
| CVE-2026-49444 | n8n: Python sandbox escape | |
| CVE-2026-49465 | n8n: Git Node Clone and Push Operations Bypass File Sandbox | |
| CVE-2026-54304 | n8n: SecurityScorecard Node Leaks API Token to User-Controlled Host | |
| CVE-2026-54301 | n8n: Same-Origin XSS in Respond to Webhook Node | |
| CVE-2026-54314 | n8n: Denial of Service via ZIP decompression in webhook workflow | |
| CVE-2026-45732 | n8n: Cross-user Authorization Bypass in Dynamic Credential OAuth Endpoints | |
| CVE-2026-54306 | n8n: Prototype Pollution enables confused-deputy execution via public webhooks | |
| CVE-2026-54313 | n8n: NoSQL Injection in MongoDB Node Find And Replace Operation | |
| CVE-2026-54303 | n8n: Reflected XSS via Facebook, WhatsApp, and Microsoft Teams Trigger Webhook Verificatio | |
| CVE-2026-54305 | n8n: Cross-Tenant Credential Takeover via Dynamic Credentials EE Endpoints | |
| CVE-2026-54307 | n8n: Credential Exfiltration via Permission Bypass | |
| CVE-2026-54308 | n8n: Missing Token Validation on Microsoft Agent 365 Trigger Node | |
| CVE-2026-54312 | n8n: Microsoft SQL Node Prototype Pollution | |
| CVE-2026-54309 | n8n: n8n MCP Browser HTTP Transport Exposes Unauthenticated Browser-Control Sessions | |
| CVE-2026-54311 | n8n: Merge Node SQL Mode Prototype Pollution |
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Same weakness: CWE-89
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V. Comments for CVE-2026-54310
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