Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-25049— n8n Has an Expression Escape Vulnerability Leading to RCE

Quick assessment

Affected
n8n-io n8n
Exploitation
Public or AI PoC available; prioritize validation
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开源的一个可扩展的工作流自动化工具。 n8n 1.123.17之前版本和2.5.2之前版本存在安全漏洞，该漏洞源于经过身份验证的用户可利用工作流参数中的表达式，可能导致主机命令执行。

AI Predicted 8.4 Difficulty: Easy EPSS 1.43% · P71
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-25049

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
n8n Has an Expression Escape Vulnerability Leading to RCE
Source: CVE Program / CVE List V5
Vulnerability Description
n8n is an open source workflow automation platform. Prior to versions 1.123.17 and 2.5.2, an authenticated user with permission to create or modify workflows could abuse crafted expressions in workflow parameters to trigger unintended system command execution on the host running n8n. This issue has been patched in versions 1.123.17 and 2.5.2.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
动态管理代码资源的控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
n8n 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
n8n是n8n开源的一个可扩展的工作流自动化工具。 n8n 1.123.17之前版本和2.5.2之前版本存在安全漏洞，该漏洞源于经过身份验证的用户可利用工作流参数中的表达式，可能导致主机命令执行。
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

Vendor Product Affected Versions CPE Subscribe
n8n-io n8n < 1.123.17 -

II. Public POCs for CVE-2026-25049

# POC Description Source Link Shenlong Link
1 有关CVE-2026-25049做了一个模拟沙盒来理解 https://github.com/otakuliu/Expression-Sandbox-Escape-Simulation-Lab POC Details
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-25049

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-25049 (1)

Same Patch Batch · n8n-io · 2026-02-04 · 10 CVEs total

CVE-2025-61917 7.7 HIGH n8n Unsafe Buffer Allocation Allows In-Process Memory Disclosure in Task Runner
CVE-2026-25056 n8n Arbitrary File Write leading to RCE in n8n Merge Node
CVE-2026-25053 n8n is Vulnerable to OS Command Injection in Git Node
CVE-2026-25055 n8n Arbitrary File Write on Remote Systems via SSH Node
CVE-2026-25051 n8n Improper CSP Enforcement in Webhook Responses May Allow Stored XSS
CVE-2026-25115 n8n is vulnerable to Python sandbox escape
CVE-2026-25052 n8n Improper File Access Controls Allow Arbitrary File Read by Authenticated Users
CVE-2026-25054 n8n is Vulnerable to Stored Cross-Site Scripting via Markdown Rendering in Workflow UI
CVE-2026-21893 n8n Vulnerable to Command Injection in Community Package Installation

IV. Related Vulnerabilities

Same product: n8n
Same vendor: n8n-io
Same weakness: CWE-913

V. Comments for CVE-2026-25049

No comments yet

Leave a comment