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Vulnerability record · CVE-2025-71333 · published 25 June 2026

CVE-2025-71333: Flowiseai flowise vulnerability

Flowiseai · Flowise

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.

9.3 CVSS 4.0 Critical EPSS 0.90% · top 41.9% CWE-73 · CWE-73
9.3CVSS 4.0 base score
0.90%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 2 tagged exploit
1 Jul 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2025-71338Flowiseai flowise vulnerabilityFlowise through 2.2.7 fails to sanitize path segments in the document-store loader endpoint, allowing unauthenticated attackers to write files outsid…EPSS 1.2%10.0CVE-2025-59528Flowise CustomMCP node code injection enables remote code executionFlowise 3.0.5 passes user-supplied mcpServerConfig input directly into the JavaScript Function() constructor inside convertToValidJSONString, with no…EPSS 86%analysed9.9CVE-2026-40933Flowiseai flowise os command injection vulnerabilityFlowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, due to unsafe serialization of stdio command…EPSS 1.3%9.9CVE-2025-61913Flowiseai flowise path traversal vulnerabilityFlowise is a drag & drop user interface to build a customized large language model flow. In versions prior to 3.0.8, WriteFileTool and ReadFileTool i…EPSS 13%9.8CVE-2026-52098Flowiseai flowise code injection vulnerabilityAn issue in Flowise 3.1.2 allows a remote attacker to execute arbitrary code via the /api/v1/prediction/<flowId> endpointEPSS 1.1%9.8CVE-2026-41267Flowiseai flowise insecure direct object reference vulnerabilityFlowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, an improper mass assignment (JSON injection)…EPSS 0.48%9.8CVE-2026-41268Flowiseai flowise improper input validation vulnerabilityFlowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, Flowise is vulnerable to a critical unauthen…EPSS 1.2%9.8CVE-2025-58434Flowise forgot-password endpoint leaks reset token, enabling account takeoverFlowise 3.0.5 and earlier returns a valid password reset tempToken and sensitive account details from the forgot-password endpoint without authentica…EPSS 50%analysed

Source: NIST National Vulnerability Database (record CVE-2025-71333), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.