CVE-2026-56274
🗓️ 23 Jun 2026 12:13:00Reported by VulnCheckType 
cve🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 35 Views🌐 WEB
| Reporter | Title | Published | Views | Family All 10 |
|---|---|---|---|---|
 | CVE-2026-56274 | 23 Jun 202612:13 | – | attackerkb |
 | CVE-2026-56274 | 23 Jun 202614:27 | – | circl |
 | CVE-2026-56274 Flowise - Remote Code Execution via MCP Security Bypass in validateCommandFlags and validateArgsForLocalFileAccess | 23 Jun 202612:13 | – | cvelist |
 | EUVD-2026-38434 | 23 Jun 202612:13 | – | euvd |
 | Flowise MCP Server Remote Code Execution | 23 Jun 202600:00 | – | metasploit |
 | CVE-2026-56274 | 23 Jun 202613:16 | – | nvd |
 | GHSA-M99R-2HXC-CP3Q Flowise has an MCP Security Bypass that Enables RCE | 14 May 202614:57 | – | osv |
 | ...[ More ] | 21 Aug 202600:00 | – | packetstorm |
 | PT-2026-51507 | 14 May 202600:00 | – | ptsecurity |
 | CVE-2026-56274 Flowise - Remote Code Execution via MCP Security Bypass in validateCommandFlags and validateArgsForLocalFileAccess | 23 Jun 202612:13 | – | vulnrichment |
[
{
"vendor": "Flowise",
"product": "Flowise",
"defaultStatus": "unaffected",
"packageURL": "pkg:npm/flowise",
"versions": [
{
"version": "0",
"status": "affected",
"versionType": "semver",
"lessThan": "3.1.2"
},
{
"version": "3.1.2",
"status": "unaffected",
"versionType": "semver"
}
]
},
{
"vendor": "Flowise",
"product": "Flowise Components",
"defaultStatus": "unaffected",
"packageURL": "pkg:npm/flowise-components",
"versions": [
{
"version": "0",
"status": "affected",
"versionType": "semver",
"lessThan": "3.1.2"
},
{
"version": "3.1.2",
"status": "unaffected",
"versionType": "semver"
}
]
}
]| Parameter | Position | Path | Description | CWE |
|---|---|---|---|---|
| mcpServerConfig | request body | /api/v1/node-load-method/customMCP | OS command injection via Custom MCP endpoint by configuring MCP server to execute arbitrary commands (e.g., via npx) on the Flowise host | CWE-78 |
| command | request body | /api/v1/node-load-method/customMCP | OS command injection via Custom MCP endpoint by configuring MCP server to execute arbitrary commands (e.g., via npx) on the Flowise host | CWE-78 |
| args | request body | /api/v1/node-load-method/customMCP | OS command injection via Custom MCP endpoint by configuring MCP server to execute arbitrary commands (e.g., via npx) on the Flowise host | CWE-78 |
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25 Jun 2026 18:39Current
6.2Medium risk
Vulners AI Score6.2
CVSS 48.7
CVSS 3.19.9
EPSS0.06009
SSVC