CVE-2026-56273— Flowise - Path Traversal in Vector Store basePath Parameter
Possible ATT&CK Techniques 3AI
T1048 · Exfiltration Over Alternative Protocol T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing ApplicationGet alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-56273
Vulnerability Information
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Vulnerability Title
Flowise - Path Traversal in Vector Store basePath Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
Flowise before 3.1.0 contains a path traversal vulnerability in Faiss and SimpleStore vector store implementations that accept unsanitized basePath parameters from authenticated users. Attackers with valid API tokens can write vector store data to arbitrary filesystem locations, potentially enabling code execution or data exfiltration.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
FlowiseAI Flowise 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FlowiseAI Flowise是FlowiseAI公司开源的一个用于轻松构建 LLM 应用程序的工具。 FlowiseAI Flowise 3.1.0之前版本存在路径遍历漏洞，该漏洞源于Faiss和SimpleStore向量存储实现中接受经过身份验证用户未清理的basePath参数，导致路径遍历，攻击者利用有效API令牌可将向量存储数据写入任意文件系统位置，可能导致代码执行或数据泄露。
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
II. Public POCs for CVE-2026-56273
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Vendor Advisories for CVE-2026-56273 (2)
IV. Related Vulnerabilities
Same product: Flowise
- CVE-2026-56271
Flowise - Weak Default JWT Secrets in Authentication Middlew - CVE-2026-56278
Flowise - Session Hijacking via Weak Default Express Session - CVE-2026-56277
Flowise - Hardcoded CORS Wildcard in TTS Endpoint - CVE-2026-58057
Flowise - Custom MCP Environment Variable Denylist Bypass vi - CVE-2025-71338
Flowise - Arbitrary File Write to Remote Code Execution via
Same vendor: Flowise
- CVE-2026-56271
Flowise - Weak Default JWT Secrets in Authentication Middlew - CVE-2026-56278
Flowise - Session Hijacking via Weak Default Express Session - CVE-2026-56277
Flowise - Hardcoded CORS Wildcard in TTS Endpoint - CVE-2026-58057
Flowise - Custom MCP Environment Variable Denylist Bypass vi - CVE-2025-71336
Flowise - Unsandboxed Remote Code Execution via Custom MCP
Same weakness: CWE-22
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