CVE-2025-71333

Critical

Description

Flowise through 2.2.4 contains an unauthenticated arbitrary file upload vulnerability in the /api/v1/attachments endpoint when storageType is set to local. Attackers can exploit path traversal in the chatId and chatflowId parameters to upload malicious files to arbitrary directories, potentially enabling remote code execution and server compromise.

SeverityCritical

CVSS9.8

Exploit probability—

ProductFlowise

PublishedJun 25, 2026

First seenJun 25, 2026

Weakness typeCWE-73CWE-73

How to fix

Vendor advisories

github.com/FlowiseAI/Flowise/security/advisories/GHSA-h42x-xx2q-6v6g

Affected products

Product	Affected versions	Fixed in
flowiseai flowise	v ≤ 2.2.4	—
flowisenpm	v ≤ 2.2.7	—

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