CVE-2026-30822 PUBLISHED

Flowise: Mass Assignment in `/api/v1/leads` Endpoint

Assigner: GitHub_M
Reserved: 05.03.2026 Published: 07.03.2026 Updated: 07.03.2026

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.0.13, unauthenticated users can inject arbitrary values into internal database fields when creating leads. This issue has been patched in version 3.0.13.

Metrics

CVSS 3.0

CVSS Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
CVSS Score: 7.7

Attack Vector	Network	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	Low

CVSS 3.0

Product Status

Vendor	FlowiseAI
Product	Flowise
Versions	Version < 3.0.13 is affected

References

https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-mq4r-h2gh-qv7x
https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.0.13

Problem Types

CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes CWE