CVE-2026-56351

描述

## Impact An authenticated user with permission to create or modify workflows and access to a database credential could unknowingly create a workflow that was vulnerable to SQL injection, even while expecting inputs to be handled safely through escaped parameters. By supplying specially crafted table or column names, an attacker could inject arbitrary SQL because the MySQL, PostgreSQL, and Microsoft SQL nodes did not escape identifier values when constructing queries, enabling injection through node configuration parameters. ## Patches The issue has been fixed in n8n version 2.4.0. Users should upgrade to this version or later to remediate the vulnerability. ## Workarounds If upgrading is not immediately possible, administrators should consider the following temporary mitigations: - Limit workflow creation and editing permissions to fully trusted users only. - Disable the MySQL, PostgreSQL, and Microsoft SQL nodes by adding `n8n-nodes-base.mySql`, `n8n-nodes-base.postgres`, and `n8n-nodes-base.microsoftSql` to the `NODES_EXCLUDE` environment variable. These workarounds do not fully remediate the risk and should only be used as short-term mitigation measures. ## Credit Reporter: Pawel Bednarz from the NATO Cyber Security Centre (NCSC)

如何修補 CVE-2026-56351

要修補 CVE-2026-56351,請將受影響套件升級到下列已修補版本。

• —升級至 2.4.0 或更新版本

CVE-2026-56351 正在被利用嗎?

低 — EPSS 為 0.2%,目前沒有觀察到大規模利用活動。

受影響套件(1)

• from 0, < 2.4.0

CVSS 分數