CVE-2026-30822 Flowise: Mass Assignment in `/api/v1/leads` Endpoint
Unauthenticated attackers can inject arbitrary values into internal database fields when creating leads in Flowise.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-30822?
CVE-2026-30822 is a high-severity vulnerability in Flowiseai Flowise, published on 7 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-915
Which versions are affected by CVE-2026-30822?
2 open source packages ship an affected version, including flowise. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
flowise npm | All versions | 3.0.13 |
flowise npm | All versions | 3.0.13 |
Products include Flowiseai Flowise.
How do I fix CVE-2026-30822?
Upgrade flowise to 3.0.13 or later.
Is CVE-2026-30822 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-30822 exists.
Other vulnerabilities in Flowiseai Flowise
- CVE-2025-71338 Flowise through 2.2.7 - Arbitrary File Write to Remote Code Execution via document-store API
- CVE-2026-40933 Flowise: Authenticated RCE Via MCP Adapters
- CVE-2025-61913 Flowise is vulnerable to arbitrary file read, arbitrary file write
- CVE-2025-59528 Flowise has Remote Code Execution vulnerability
- CVE-2026-52098 Code injection in n/a
Sources
Also known as GHSA-mq4r-h2gh-qv7x.