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CVE-2026-73484— Flowise before 3.1.3 Sandbox Escape via Pandas Methods

Quick assessment

Affected
FlowiseAI Flowise
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.

FlowiseAI Flowise是FlowiseAI公司开源的一款可视化编排语言模型应用流程的工具。 FlowiseAI Flowise 3.1.3之前版本存在输入验证错误漏洞，该漏洞源于pythonCodeValidator.ts未能阻止Pandas DataFrame原生方法（如to_csv、to_json、pipe和query），可能导致经过身份验证的攻击者窃取上传的CSV数据或向服务器文件系统写入任意文件。

CVSS 8.6 · High EPSS 0.43% · P36

Affected Version Matrix 2

VendorProduct Version RangeStatus
FlowiseAI Flowise < 3.1.3 affected
3.1.3 unaffected
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I. Basic Information for CVE-2026-73484

Vulnerability Information
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Vulnerability Title
Flowise before 3.1.3 Sandbox Escape via Pandas Methods
Source: CVE Program / CVE List V5
Vulnerability Description
Flowise before 3.1.3 contains a sandbox escape vulnerability in pythonCodeValidator.ts that fails to block native Pandas DataFrame methods like to_csv, to_json, pipe, and query. Authenticated attackers can exploit this to exfiltrate uploaded CSV data or write arbitrary files to the server filesystem.
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:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
不完整的黑名单
Source: CVE Program / CVE List V5
Vulnerability Title
FlowiseAI Flowise 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FlowiseAI Flowise是FlowiseAI公司开源的一款可视化编排语言模型应用流程的工具。 FlowiseAI Flowise 3.1.3之前版本存在输入验证错误漏洞，该漏洞源于pythonCodeValidator.ts未能阻止Pandas DataFrame原生方法（如to_csv、to_json、pipe和query），可能导致经过身份验证的攻击者窃取上传的CSV数据或向服务器文件系统写入任意文件。
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
FlowiseAI Flowise 0 ~ 3.1.3 -

II. Public POCs for CVE-2026-73484

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 6846 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-73484

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Vendor Advisories for CVE-2026-73484 (2)

Same Patch Batch · FlowiseAI · 2026-08-13 · 10 CVEs total

CVE-2026-73483 9.4 CRITICAL Flowise before 3.1.3 Sandbox Escape via Puppeteer
CVE-2026-73487 9.0 CRITICAL Flowise before 3.1.3 Prompt Injection RCE via CSV Agent
CVE-2026-73485 9.0 CRITICAL Flowise before 3.1.3 Remote Code Execution via Airtable Agent
CVE-2026-73601 9.0 CRITICAL Flowise before 3.1.3 Remote Code Execution via Custom MCP
CVE-2026-73486 9.0 CRITICAL Flowise before 3.1.3 Code Injection via CSV Agent customReadCSV
CVE-2026-73602 9.0 CRITICAL Flowise before 3.1.3 Sandbox Escape to RCE
CVE-2026-73604 6.5 MEDIUM Flowise before 3.1.3 Credential Exposure via API
CVE-2026-73603 6.3 MEDIUM Flowise before 3.1.4 Credential Abuse via Text-to-Speech
CVE-2026-73488 6.0 MEDIUM Flowise before 3.1.3 IDOR via customer-default-source endpoint

IV. Related Vulnerabilities

Same product: Flowise
Same vendor: FlowiseAI
Same weakness: CWE-184

V. Comments for CVE-2026-73484

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