CVE-2025-71333 - CVE House
Back to Database
Status published Critical CVE-2025-71333

Flowise - Arbitrary File Upload via Unauthenticated /api/v1/attachments Endpoint

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-71333

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • dorattias

References

More from Flowise

View All →
CVE-2025-71338
Flowise - Arbitrary File Write to Remote Code Execution via document-store API
Critical 10
CVE-2025-71337
Flowise - Unverified Email Change via Account Profile Endpoint
High 8.7
CVE-2025-71336
Flowise - Unsandboxed Remote Code Execution via Custom MCP
Critical 9.3
CVE-2025-71335
Flowise - Session Invalidation Failure After Password Change
High 8.6
CVE-2025-71334
Flowise - Arbitrary File Access via Missing Chat Flow ID Validation
Critical 9.3

Affected Vendor

Affected Software

Flowise
Vulnerable Versions:
0

Timeline

Official Publish: June 25th, 2026
Last Modified: June 27th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-73

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1005 Data from Local System
Collection
T1105 Ingress Tool Transfer
Command and Control
T1574 Hijack Execution Flow
Privilege Escalation
T1565 Data Manipulation
Impact