High severity · published Mar 7, 2026
CVE-2026-30822
Flowise: Mass Assignment in `/api/v1/leads` Endpoint
7.7
CVSS
13.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)13.4% · higher than 96% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FL
Flowise · FlowiseAI
< 3.0.13 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-30822
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-30822
Product
https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.0.13
Exploit
https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-mq4r-h2gh-qv7x
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