CVE-2025-71338 - CVE House
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Status published Critical CVE-2025-71338

Flowise - Arbitrary File Write to Remote Code Execution via document-store API

Vulnerability Description

Flowise contains a path traversal vulnerability in the /api/v1/document-store/loader/process endpoint that allows unauthenticated attackers to write arbitrary files to the filesystem. Attackers can exploit unsanitized fileName parameters with ../ sequences to overwrite critical files like package.json and achieve remote code execution when the application restarts.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

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

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Credits & Attribution

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

  • pyozzi-toss

References

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CVE-2025-71335
Flowise - Session Invalidation Failure After Password Change
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CVE-2025-71334
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CVE-2025-71333
Flowise - Arbitrary File Upload via Unauthenticated /api/v1/attachments Endpoint
Critical 9.3

Affected Vendor

Affected Software

Flowise
Vulnerable Versions:
0

Timeline

Official Publish: June 25th, 2026
Last Modified: June 26th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

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