CVE-2026-30822: Flowise Allows Mass Assignment on Leads Endpoint

# CVE-2026-30822: Flowise Allows Mass Assignment on Leads Endpoint

https://gcdradar.vercel.app/incidents/cve-2026-30822-flowise-allows-mass-assignment-on-leads-endpo · AIR-2026-0492 · closed 2026-03-06

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-03-06
- AI role: Attack on AI
- Products: Flowise
- CVE ids: CVE-2026-30822
- CVSS: 7.7

## Summary

A mass assignment vulnerability in the Flowise leads endpoint allows unauthenticated users to control internal entity fields. The issue is resolved in updated versions.

## What to do

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

## Latest updates

- 2026-03-07: CVE-2026-30822: Flowise is a drag & drop user interface to build a customized large language model flow. (https://nvd.nist.gov/vuln/detail/CVE-2026-30822)
- 2026-03-06: CVE-2026-30822: Flowise Allows Mass Assignment in `/api/v1/leads` Endpoint (https://github.com/advisories/GHSA-mq4r-h2gh-qv7x)

## Sources

- 2026-03-06 GitHub Advisory Database: CVE-2026-30822: Flowise Allows Mass Assignment in `/api/v1/leads` Endpoint https://github.com/advisories/GHSA-mq4r-h2gh-qv7x
- 2026-03-07 NVD: CVE-2026-30822: Flowise is a drag & drop user interface to build a customized large language model flow. https://nvd.nist.gov/vuln/detail/CVE-2026-30822

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