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CVE-2026-91932— Flowise before 3.1.4 Remote Code Execution via cwd Parameter

Quick assessment

Affected
FlowiseAI Flowise
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.

Flowise 3.1.4 之前版本存在一个验证绕过漏洞，位于 MCP 服务器配置中。该漏洞允许经过身份验证的攻击者通过未经验证的 参数实现远程代码执行。攻击者可以利用 数组中包含合法文件名的特性来绕过路径验证，同时控制工作目录（working directory），从而执行恶意代码。

CVSS 8.5 · High

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2026-91932

Vulnerability Information
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Vulnerability Title
Flowise before 3.1.4 Remote Code Execution via cwd Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
Flowise before 3.1.4 contains a validation bypass vulnerability in MCP server configuration allowing authenticated attackers remote code execution through an unvalidated cwd parameter. Attackers can bypass path validation using clean filenames in the args array while controlling the working directory to execute malicious code.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
FlowiseAI Flowise 0 ~ 3.1.4 -
FlowiseAI Flowise 0 ~ 3.1.4 -

II. Public POCs for CVE-2026-91932

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III. Intelligence Information for CVE-2026-91932

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Vendor Advisories for CVE-2026-91932 (2)

Same Patch Batch · FlowiseAI · 2026-09-15 · 10 CVEs total

CVE-2026-91934 8.8 HIGH Flowise before 3.1.4 Remote Code Execution via SQL Database Chain
CVE-2026-91931 8.5 HIGH Flowise before 3.1.4 Remote Code Execution via Custom MCP npx
CVE-2026-91935 8.3 HIGH Flowise before 3.1.4 SSRF and API Key Exfiltration via Chat Model Nodes
CVE-2026-91930 7.5 HIGH Flowise before 3.1.4 Cross-Tenant Organization Admin Takeover
CVE-2026-91937 7.5 HIGH Flowise before 3.1.4 NoSQL Injection via sessionId
CVE-2026-91933 7.1 HIGH Flowise before 3.1.4 Authorization Bypass via openai-realtime
CVE-2026-91929 7.1 HIGH Flowise before 3.1.4 Cross-Tenant Authorization Bypass
CVE-2026-91938 7.1 HIGH Flowise before 3.1.4 Server-Side Request Forgery via document loaders
CVE-2026-91936 6.8 MEDIUM Flowise before 3.1.4 Script Injection via Docker Workflows

IV. Related Vulnerabilities

Same product: Flowise
Same vendor: FlowiseAI
Same weakness: CWE-20

V. Comments for CVE-2026-91932

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