CVE-2026-25052
n8n's Improper File Access Controls Allow Arbitrary File Read by Authenticated Users
描述
## Impact A vulnerability in the file access controls allows authenticated users with permission to create or modify workflows to read sensitive files from the n8n host system. This can be exploited to obtain critical configuration data and user credentials, leading to complete account takeover of any user on the instance. ## Patches The issue has been fixed in n8n version 1.123.18 and 2.5.0. 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. - Restrict access to nodes that interact with the file system, particularly the "Read/Write Files from Disk" and "Git" nodes. These workarounds do not fully remediate the risk and should only be used as short-term mitigation measures. ## Resources - [n8n Documentation — Blocking nodes](https://docs.n8n.io/hosting/securing/blocking-nodes/) — how to globally disable specific nodes --- n8n has adopted CVSS 4.0 as primary score for all security advisories. CVSS 3.1 vector strings are provided for backward compatibility. CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
如何修補 CVE-2026-25052
要修補 CVE-2026-25052,請將受影響套件升級到下列已修補版本。
- —升級至 2.5.0 或更新版本
CVE-2026-25052 正在被利用嗎?
低 — EPSS 為 0.3%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- >= 2.0.0, < 2.5.0
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H |