PoC Index85,079 CVEs with PoCs

CVE-2025-59528

Flowise has Remote Code Execution vulnerability

CRITICAL 10.0EPSS 86.2%

Flowise is a drag & drop user interface to build a customized large language model flow. In version 3.0.5, Flowise is vulnerable to remote code execution. The CustomMCP node allows users to input configuration settings for connecting to an external MCP server. This node parses the user-provided mcpServerConfig string to build the MCP server configuration. However, during this process, it executes JavaScript code without any security validation. Specifically, inside the convertToValidJSONString function, user input is directly passed to the Function() constructor, which evaluates and executes the input as JavaScript code. Since this runs with full Node.js runtime privileges, it can access dangerous modules such as child_process and fs. This issue has been patched in version 3.0.6.

Affected
FlowiseAI · Flowise
CVSS v3.1 GITHUB
10.0 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS
86.22% chance of exploitation in the next 30 days, 100th percentile
Nuclei
critical · CWE-94
Published
2025-09-22

Proof-of-concept exploits (22)

Nuclei templates (1)

Metasploit modules (1)

ExploitDB entries (1)

Security advisories

References

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