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Flowiseai

Vendor security scorecard – 83 CVEs in the selected period

Period: 30d 90d 6m 1y All
Risk 741
83
CVEs
20
Critical
46
High
0
KEV
44
PoC
10
Unpatched C/H
77.1%
Patch Rate
5.3%
Avg EPSS

Severity Breakdown

CRITICAL
20
HIGH
46
MEDIUM
14
LOW
3

Monthly CVE Trend

Top Risky CVEs

CVE Summary Severity CVSS EPSS Priority Signals
CVE-2025-59528 Flowise version 3.0.5 contains a remote code execution vulnerability in the CustomMCP node. The mcpServerConfig parameter is parsed unsafely, allowing attackers to inject arbitrary system commands through the MCP server configuration that are executed when Flowise spawns the MCP server process. CRITICAL 10.0 83.0% 168
PoC
CVE-2025-8943 Flowise versions before 3.0.1 allow unauthenticated access to the Custom MCPs feature, which is designed to execute OS commands. The combination of no default authentication and the ability to spawn local processes via tools like npx enables unauthenticated remote code execution on any Flowise installation. CRITICAL 9.8 80.4% 164
PoC No patch
CVE-2025-26319 FlowiseAI Flowise version 2.2.6 contains an arbitrary file upload vulnerability in the /api/v1/attachments endpoint. Unauthenticated attackers can upload malicious files including executable scripts, achieving remote code execution on the Flowise server. CRITICAL 9.8 77.0% 146
PoC No patch
CVE-2025-58434 Flowise is a drag & drop user interface to build a customized large language model flow. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available. CRITICAL 9.8 9.9% 79
PoC
CVE-2026-30821 Unrestricted file upload in Flowise LLM workflow builder before 3.0.13 via /api/v1/attachments endpoint allows unauthenticated attackers to upload and execute malicious files. PoC available. CRITICAL 9.8 0.1% 69
PoC
CVE-2026-30824 Missing authentication on NVD data endpoint in Flowise before 3.0.13 allows unauthenticated access to internal vulnerability data. PoC available. CRITICAL 9.8 0.0% 69
PoC
CVE-2026-70470 Remote code execution in Flowise before 3.1.3 arises because its Pyodide Python-code validator (validatePythonCodeForDataFrame) can be defeated with Unicode homoglyph identifiers, letting an attacker run arbitrary Python that escapes the Pyodide sandbox and executes OS commands on the Flowise host with the process's privileges. The affected CSV Agent and Airtable Agent nodes gate LLM-generated (and config-supplied) Python through an ASCII word-boundary regex blacklist, which Python's NFKC identifier normalization silently rewrites back into the forbidden dunders. There is no public exploit identified at time of analysis and it is not in CISA KEV, but the GitHub advisory documents a complete, reproducible bypass technique, so weaponization is straightforward; the vendor rates it 9.5 (CVSS 4.0). CRITICAL 9.5 0.5% 68
PoC
CVE-2026-69264 Remote code execution in FlowiseAI Flowise before 3.1.3 lets an attacker execute arbitrary OS commands as the Flowise process by abusing the CSVAgent node, which interpolates an attacker-controlled base64 segment of the csvFile data URI directly into a Python template run by Pyodide. Because Pyodide's default js bridge exposes globalThis (including eval and dynamic import on Node.js), the injected code can break out of the Python string, call js.eval, import fs and child_process, and run host commands; the surrounding validators are never applied to this bootstrap template. A low-privileged workspace user plants the malicious node, after which any unauthenticated request to the public POST /api/v1/prediction/:id endpoint triggers the RCE. No public exploit is identified at time of analysis (no KEV, no POC signal in the provided data), but the fix is confirmed in version 3.1.3. CRITICAL 9.4 0.6% 68
PoC
CVE-2026-73483 Remote command execution in Flowise <= 3.1.2 lets an authenticated user break out of the vm2/@flowiseai/nodevm JavaScript sandbox by abusing the /api/v1/node-custom-function endpoint. By passing attacker-controlled executablePath and args into puppeteer.launch(), the code reaches child_process.spawn() outside the sandbox, yielding arbitrary OS command execution as the Flowise process user (root in the official Docker image) and host file disclosure via Chromium's file:// handling. No public exploit is identified at time of analysis, but a vendor security advisory (GHSA-9gvv-qjj3-2p6g) and VulnCheck confirm the flaw; the CVSS 4.0 base score is 9.4. CRITICAL 9.4 0.4% 67
PoC
CVE-2026-46442 Authenticated remote code execution in FlowiseAI Flowise prior to 3.1.2 allows any user with a valid session or API key to submit arbitrary JavaScript via POST /api/v1/node-custom-function, which executes inside a NodeVM sandbox that can be escaped to reach the host process and spawn child processes. CVSS 4.0 scores this 9.4 Critical, and publicly available exploit details exist via the GHSA advisory, though no public exploit identified at time of analysis in CISA KEV. The flaw stems from missing route-level authorization combined with a sandbox that Flowise itself documents as a security boundary but which fails to contain malicious payloads. CRITICAL 9.4 0.3% 67
PoC
CVE-2026-73601 Remote code execution in Flowise before 3.1.3 lets authenticated users abuse the Custom MCP node - when CUSTOM_MCP_PROTOCOL is set to stdio - to run arbitrary OS commands on the host. By manipulating environment variables (PYTHONWARNINGS, BROWSER) passed to python3 or leveraging node with the root working directory, an attacker bypasses input validation and achieves command execution as the Flowise service account. Reported by VulnCheck with a CVSS 4.0 score of 9.0; no public exploit is identified at time of analysis, though the technique is documented in detail in the vendor advisory. CRITICAL 9.0 0.6% 66
PoC
CVE-2026-73602 Remote code execution in Flowise before 3.1.3 lets authenticated users escape the vm2 JavaScript sandbox and run arbitrary code on the host. By abusing a moment.js locale-validation weakness, an attacker supplies a forged String object whose match function defeats the path-traversal check, causing Flowise to load and execute an attacker-planted JavaScript file from the document store outside the sandbox. Reported by VulnCheck and fixed by the vendor; no public exploit or CISA KEV listing was identified at time of analysis, though the CVSS 4.0 base score of 9.0 reflects full compromise of confidentiality, integrity, and availability. CRITICAL 9.0 0.4% 65
PoC
CVE-2026-73487 Remote code execution and SSRF in FlowiseAI Flowise before 3.1.3 stems from a bypassable regex-based Python code validator in the CSV and Airtable Agent nodes, letting attackers smuggle malicious pandas calls through the unauthenticated prediction API via prompt injection. Because the validator blocklists rather than sandboxes, unblocked functions such as pd.read_json() can be abused to exfiltrate local datasets, reach internal services (SSRF), or execute arbitrary code. No public exploit identified at time of analysis, and it is not listed in CISA KEV; the reporting vendor VulnCheck and a GitHub Security Advisory (GHSA-w7x8-q2gp-5cgg) document the issue. CRITICAL 9.0 0.4% 65
PoC
CVE-2026-73486 Authenticated arbitrary Python code execution in FlowiseAI Flowise before 3.1.3 arises from the CSV Agent node's customReadCSV parameter, whose regex-based validator can be defeated with obfuscation to run attacker-supplied code inside an unsandboxed pyodide runtime with full host access. Any user able to build or edit a chatflow can escalate from application-level access to code execution on the server. No public exploit has been identified at time of analysis, and the issue is not listed in CISA KEV; a vendor patch exists in version 3.1.3. CRITICAL 9.0 0.3% 65
PoC
CVE-2026-73485 Remote code execution in Flowise before 3.1.3 lets attackers run arbitrary Python on the host by abusing the Airtable Agent node. Crafted chatflow prompts carry obfuscated Python that slips past the pythonCodeValidator blocklist and executes inside an unsandboxed pyodide runtime with full access to the underlying OS. Reported by VulnCheck with a published GHSA advisory; no public exploit code is identified at time of analysis, and it is not listed in CISA KEV. CRITICAL 9.0 0.3% 65
PoC

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