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Critical 9.0
Flowise before 3.1.3 Prompt Injection RCE via CSV Agent
Flowise before 3.1.3 contains a regex-based Python code validator bypass in CSV and Airtable Agent nodes that allows unauthenticated attackers to inject malicious code via prompt injection. Attackers can exploit unblocked pandas functions like pd.read_json() …
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Critical 9.5
Flowise: CSV Agent Prompt Injection Remote Code Execution Vulnerability
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.3, a prompt injection sent to a chatflow using a CSV Agent node can cause the LLM to respond with a malicious Python script that bypasses the blocklist valid…
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Critical 9.5
Flowise: Pyodide validator Unicode homoglyph bypass leads to RCE
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.3, Flowise validatePythonCodeForDataFrame in packages/components/src/pythonCodeValidator.ts can be bypassed with Unicode homoglyph identifiers, allowing arbi…
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Critical 9.4
Flowise: RCE via CSVAgent csvFile data URI base64 segment is interpolated into Python source without validation
Prior to 3.1.3, Flowise CSVAgent interpolates an attacker-controlled segment of the csvFile data URI directly into a Python source-code template that is then executed by Pyodide. Because Pyodide is loaded with the default js bridge to globalThis, which on Nod…
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Critical 9.4
Flowise RCE via SQLite Record Manager Node
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.3, the SQLite Record Manager node in packages/components/nodes/recordmanager/SQLiteRecordManager/SQLiteRecordManager.ts accepted user-controlled additionalCo…
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Critical 9.4
Flowise: Remote Code Execution Vulnerability in CSVAgent
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.3, the CSVAgent node allowed users to provide Python code that is executed through pyodide; although a denylist blocked dangerous Python constructs, pandas.r…
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Critical 9.2
Flowise: CSV Agent Remote Code Execution via Pyodide Code Injection — Root Shell Verified
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.3, the CSVAgent in packages/components/nodes/agents/CSVAgent/CSVAgent.ts extracted attacker-controlled CSV data with file.split(',').pop() and interpolated i…
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Critical 9.4CVE-2026-69254 Public exploit
Flowise: RCE via NodeVM Sandbox Escape in executeJavaScriptCode() nodeVMOptions Override
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.3, executeJavaScriptCode() accepted caller-provided nodeVMOptions and merged them over the default NodeVM security settings in packages/components/src/utils.…
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Critical 9.0
Flowise Sandbox Escape to RCE
Flowise is a drag-and-drop user interface for building customized large language model (LLM) flows. Prior to version 3.1.3, several custom-tool components — AgentAsTool, ChatflowTool, and ExecuteFlow — ran code in the in-process vm2 sandbox. To build that c…
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Critical 9.0CVE-2026-69251 Scanner template
Flowise RCE via TypeORM DataSource
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.3, Flowise record manager and agent memory nodes allowed users to set arbitrary TypeORM DataSource options through the additionalConfig input in packages/com…
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Critical 9.9CVE-2026-56274 Public exploit
Flowise - Remote Code Execution via MCP Security Bypass in validateCommandFlags and validateArgsForLocalFileAccess
Flowise before 3.1.2 contains multiple OS command injection vulnerabilities in the Custom MCP Server feature due to incomplete command-flag validation and a regex bypass in local file access restrictions. An attacker with a Flowise account of any role, or API…
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Critical 9.3
Flowise: Cypher Injection in GraphCypherQAChain
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, the GraphCypherQAChain node forwards user-provided input directly into the Cypher query execution pipeline without proper sanitization. An attacker can in…
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Critical 9.2CVE-2026-41264 Public exploit
Flowise: CSV Agent Prompt Injection Remote Code Execution Vulnerability
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, the specific flaw exists within the run method of the CSV_Agents class. The issue results from the lack of proper sandboxing when evaluating an LLM genera…
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Critical 9.2
Flowise: Airtable_Agent Code Injection Remote Code Execution Vulnerability
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, the specific flaw exists within the run method of the Airtable_Agents class. The issue results from the lack of proper sandboxing when evaluating an LLM g…
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Critical 9.4
Flowise: Code Injection in CSVAgent leads to Authenticated RCE
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, The CSVAgent allows providing a custom Pandas CSV read code. Due to lack of sanitization, an attacker can provide a command injection payload that will ge…
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Critical 10.0CVE-2026-40933 EPSS 12%
Flowise: Authenticated RCE Via MCP Adapters
Flowise 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 commands in the MCP adapter, an authenticated attacker can add an MCP stdio server with an arbitrary command, achievi…
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Critical 10.0CVE-2025-61913 EPSS 14%
Flowise is vulnerable to arbitrary file read, arbitrary file write
Flowise is a drag & drop user interface to build a customized large language model flow. In versions prior to 3.0.8, WriteFileTool and ReadFileTool in Flowise do not restrict file path access, allowing authenticated attackers to exploit this vulnerability to …