High
Flowise: Mass Assignment in `/api/v1/leads` Endpoint
Type: advisorySources: OSV
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-30822
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 18:11 UTC · Revision 1
Source evidence
Flowise: Mass Assignment in `/api/v1/leads` Endpoint
core-osv · Original sourcePublished 7 Mar 2026, 05:08 UTC
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.
osv:CVE-2026-30822
Complete source record
{
"id": "6dc56c22e23c7dbc1968046395af6b400437172b8c4a50a2e5c7fa9551930816",
"url": "https://osv.dev/vulnerability/CVE-2026-30822",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Flowise: Mass Assignment in `/api/v1/leads` Endpoint",
"summary": "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.",
"evidence": "osv:CVE-2026-30822",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2026-30822",
"aliases": [
"CVE-2026-30822",
"GHSA-mq4r-h2gh-qv7x"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/flowiseai/flowise",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "f0c1294173a55f26e0b972c39c0c16917f5ca9e7"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "3.0.13"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
},
{
"range": [
{
"fixed": "f0c1294173a55f26e0b972c39c0c16917f5ca9e7"
}
],
"source": "REFERENCES_TAG",
"original_tag": "flowise@3.0.13"
},
{
"cpe": "cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "3.0.13"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-30822.json"
}
}
],
"modified": "2026-10-28T02:30:22.024450659Z",
"provider": "osv",
"references": [
"https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.0.13",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/30xxx/CVE-2026-30822.json",
"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-mq4r-h2gh-qv7x",
"https://nvd.nist.gov/vuln/detail/CVE-2026-30822"
],
"provider_metadata": {
"cwe_ids": [
"CWE-915"
],
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/30xxx/CVE-2026-30822.json"
}
},
"related_cves": [
{
"value": "CVE-2026-30822",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 488147,
"published_at": "2026-03-07T05:08:55.583+00:00"
}