CVE-2026-41267

· HIGHAnalyzed

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CVSS v3.1

8.1

EPSS

0.33%

Published

Apr 23, 2026

Modified

Apr 24, 2026

Public PoC / Exploit (1)

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Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

Description

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.

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-639CWE-915

Affected Products (1)

flowiseai · flowise (up to 3.1.0)vulnerable

References (2)

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

ExploitVendor Advisory

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

ExploitVendor Advisory

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