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    CVE-2026-41270

    Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, a Server-Side Request Forgery (SSRF) protection bypass vulnerability exists in the Custom Function feature. While the application implements SSRF protection via HTTP_DENY_LIST for axios and node-fetch libraries, the built-in Node.js http, https, and net modules are allowed in the NodeVM sandbox without equivalent protection. This allows authenticated users to bypass SSRF controls and access internal network resources (e.g., cloud provider metadata services) This vulnerability is fixed in 3.1.0.

    Published:Apr 23, 2026
    Last Modified:Apr 27, 2026
    EPS:Apr 23, 2026
    EPSS Score:0.0004
    CVSS Score:7.1

    Affected Products

    Vendor
    Flowiseai
    Product
    Flowise
    Vendor
    Flowiseai
    Product
    Flowise-components

    Exploits

    https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-xhmj-rg95-44hvhttps://github.com/FlowiseAI/Flowise/security/advisories/GHSA-xhmj-rg95-44hv

    Related CVEs

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    CVE-2026-73603 (CVSS 6.3) — Flowise before 3.1.4 fails to validate chatflow visibility in the unauthenticated text-to-speech endpoint, all…
    CVE-2026-73602 (CVSS 9) — Flowise before 3.1.3 contains a sandbox escape vulnerability in the vm2 JavaScript sandbox that allows authent…
    CVE-2026-73601 (CVSS 9) — Flowise versions before 3.1.3 contain a remote code execution vulnerability in the Custom MCP node when CUSTOM…
    CVE-2026-73488 (CVSS 6) — Flowise versions before 3.1.3 contain an insecure direct object reference vulnerability in the GET /api/v1/org…
    CVE-2026-73487 (CVSS 9) — Flowise before 3.1.3 contains a regex-based Python code validator bypass in CSV and Airtable Agent nodes that …
    CVE-2026-73486 (CVSS 9) — Flowise before 3.1.3 contains a code injection vulnerability in the CSV Agent node's customReadCSV parameter t…
    CVE-2026-73485 (CVSS 9) — Flowise before 3.1.3 contains a code injection vulnerability in the Airtable Agent node that allows unauthenti…
    CVE-2026-73484 (CVSS 8.6) — Flowise before 3.1.3 contains a sandbox escape vulnerability in pythonCodeValidator.ts that fails to block nat…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High