CVE-2026-41267: Flowise account registration mass assignment vulnerability

# CVE-2026-41267: Flowise account registration mass assignment vulnerability

https://gcdradar.vercel.app/incidents/cve-2026-41267-flowise-account-registration-mass-assignment · AIR-2026-0569 · closed 2026-04-16

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-04-16
- AI role: Attack on AI
- Products: Flowise Cloud
- CVE ids: CVE-2026-41267
- CVSS: 8.1

## Summary

Flowise Cloud registration endpoint suffered from an improper mass assignment flaw enabling unauthenticated attackers to manipulate ownership metadata and organization roles. The issue compromised trust boundaries in multi-tenant environments.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-04-23: CVE-2026-41267: Flowise is a drag & drop user interface to build a customized large language model flow. (https://nvd.nist.gov/vuln/detail/CVE-2026-41267)
- 2026-04-16: CVE-2026-41267: Flowise: Improper Mass Assignment in Account Registration Enables Unauthorized Organization Association (https://github.com/advisories/GHSA-48m6-ch88-55mj)

## Sources

- 2026-04-16 GitHub Advisory Database: CVE-2026-41267: Flowise: Improper Mass Assignment in Account Registration Enables Unauthorized Organization Association https://github.com/advisories/GHSA-48m6-ch88-55mj
- 2026-04-23 NVD: CVE-2026-41267: Flowise is a drag & drop user interface to build a customized large language model flow. https://nvd.nist.gov/vuln/detail/CVE-2026-41267

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.