CVE-2026-41137: Flowise: Code Injection in CSVAgent leads to Authenticated RCE

April 16, 2026 (updated April 24, 2026)

The CSVAgent allows providing a custom Pandas CSV read code. Due to lack of sanitization, an attacker can provide the following payload: DataFrame({'foo': ['bar!']});import os;os.system('whoami') that will get interpolated and executed by the server.

References

github.com/FlowiseAI/Flowise
github.com/FlowiseAI/Flowise/security/advisories/GHSA-9wc7-mj3f-74xv
github.com/advisories/GHSA-9wc7-mj3f-74xv
nvd.nist.gov/vuln/detail/CVE-2026-41137

Code Behaviors & Features

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