CVE-2025-71333

CRITICAL

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.

CVSS v3.1 Score

9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 6/25/2026Modified: 7/1/2026

Related Intelligence (1)

CRITICALVulnerability

NVD CRITICAL: CVE-2025-71333 — Flowise through 2.2.4 contains an unauthenticated arbitrary file upload vulnerab...

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.

CVE-2025-71333
NIST NVD

References (3)

https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-h42x-xx2q-6v6gVendor AdvisoryExploithttps://www.vulncheck.com/advisories/flowise-arbitrary-file-upload-via-unauthenticated-api-v1-attachments-endpointThird Party Advisoryhttps://github.com/FlowiseAI/Flowise/security/advisories/GHSA-h42x-xx2q-6v6gVendor AdvisoryExploit