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CVE-2025-71333

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

Published: Jun 25, 2026Updated: Jul 1, 2026 Sources: CVE List NVDCWE-73
9.8CRITICAL
NVD MITRE
EPSS Score
0.8%
Top 46.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-73

Affected Products

Flowise
oss-projectaka flowise-ai
FlowiseSaaS
AI / ML / ai-agent-tooling
flowiseai
oss-projectaka flowise-components, flowise, embed
flowiseOn-premWeb App
AI / ML / ai-agent-tooling

Exploitability

Official Patch Available
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References

https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-h42x-xx2q-6v6g
github.com
https://www.vulncheck.com/advisories/flowise-arbitrary-file-upload-via-unauthenticated-api-v1-attachments-endpoint
vulncheck.com

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