FlowiseAI Flowise CSV Agent customReadCSV Code Injection Remote Code Execution Vulnerability
Vulnerability Details
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Flowise. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed.
The specific flaw exists within the run method of the CSV_Agents class. The issue results from the lack of proper validation of a user-supplied string before using it to execute Python code. An attacker can leverage this vulnerability to execute code in the context of the service account.
Additional Details
Flowise has issued an update to correct this vulnerability. More details can be found at:
https://github.com/FlowiseAI/Flowise/commit/0c8236ac9a9720725e135603f4a54f7d7d6646ac
Disclosure Timeline
- 2026-02-24 - Vulnerability reported to vendor
- 2026-06-24 - Coordinated public release of advisory
- 2026-06-24 - Advisory Updated
Credit
Nicholas Zubrisky (@NZubrisky) of TrendAI Research
