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    CVE-2026-41267

    Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, an improper mass assignment (JSON injection) vulnerability in the account registration endpoint of Flowise Cloud allows unauthenticated attackers to inject server-managed fields and nested objects during account creation. This enables client-controlled manipulation of ownership metadata, timestamps, organization association, and role mappings, breaking trust boundaries in a multi-tenant environment. This vulnerability is fixed in 3.1.0.

    Published:Apr 23, 2026
    Last Modified:Apr 24, 2026
    EPS:Apr 23, 2026
    EPSS Score:0.00044
    CVSS Score:8.1

    Affected Products

    Vendor
    Flowiseai
    Product
    Flowise

    Exploits

    https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-48m6-ch88-55mjhttps://github.com/FlowiseAI/Flowise/security/advisories/GHSA-48m6-ch88-55mj

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-73488 (CVSS 6) — Flowise versions before 3.1.3 contain an insecure direct object reference vulnerability in the GET /api/v1/org…
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    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