Insecure Direct Object Reference in Flowise OpenAI Integration
CVE-2026-67622

8.5HIGH

Key Information:

Vendor

Flowiseai

Status
Flowise
Vendor
CVE Published:
6 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-67622?

The Flowise OpenAI Assistants integration, particularly in version 3.1.4, is susceptible to an insecure direct object reference vulnerability. This flaw enables authenticated attackers to gain unauthorized access to sensitive credentials linked to other workspaces. By exploiting this vulnerability, attackers can submit an arbitrary credential UUID to Assistants endpoints, bypassing necessary workspace ownership verification. Consequently, they can enumerate assistant metadata across different workspaces, access file and vector store listings, and even upload malicious files into victims' workspaces, thereby compromising overall data integrity.

Affected Version(s)

Flowise 0 <= 3.1.4

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-67622 - Proof of Concept

References

https://github.com/Caycon/cve-advisories/blob/main/2026/F...
technical-descriptionexploit
https://flowiseai.com/sunset
vendor-advisory

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

CayCon, piropatriot
.