Critical
Flowise before 3.1.4 Remote Code Execution via cwd Parameter
Type: advisorySources: OSV
Flowise before 3.1.4 contains a validation bypass vulnerability in MCP server configuration allowing authenticated attackers remote code execution through an unvalidated cwd parameter. Attackers can bypass path validation using clean filenames in the args array while controlling the working directory to execute malicious code.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-91932
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 13:04 UTC · Revision 1
Source evidence
Flowise before 3.1.4 Remote Code Execution via cwd Parameter
core-osv · Original sourcePublished 15 Sept 2026, 15:17 UTC
Flowise before 3.1.4 contains a validation bypass vulnerability in MCP server configuration allowing authenticated attackers remote code execution through an unvalidated cwd parameter. Attackers can bypass path validation using clean filenames in the args array while controlling the working directory to execute malicious code.
osv:CVE-2026-91932
Complete source record
{
"id": "912c3e58348cf01c66c6781e7f301d84ba59a0a857b522f052b00f56f2673d53",
"url": "https://osv.dev/vulnerability/CVE-2026-91932",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Flowise before 3.1.4 Remote Code Execution via cwd Parameter",
"summary": "Flowise before 3.1.4 contains a validation bypass vulnerability in MCP server configuration allowing authenticated attackers remote code execution through an unvalidated cwd parameter. Attackers can bypass path validation using clean filenames in the args array while controlling the working directory to execute malicious code.",
"evidence": "osv:CVE-2026-91932",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2026-91932",
"aliases": [
"CVE-2026-91932",
"GHSA-x7x8-95gh-42xm"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/flowiseai/flowise",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "a65f81bb43ef66d3ce734bf0dff4223ae8041c95"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "3.1.4"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
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},
{
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}
],
"source": "DESCRIPTION"
}
]
}
}
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-91932.json"
}
}
],
"modified": "2026-10-28T02:30:50.957263815Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/91xxx/CVE-2026-91932.json",
"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-x7x8-95gh-42xm",
"https://nvd.nist.gov/vuln/detail/CVE-2026-91932",
"https://www.vulncheck.com/advisories/flowise-before-3.1.4-remote-code-execution-via-cwd-parameter"
],
"provider_metadata": {
"cwe_ids": [
"CWE-20"
],
"cna_assigner": "VulnCheck",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/91xxx/CVE-2026-91932.json"
}
},
"related_cves": [
{
"value": "CVE-2026-91932",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 519380,
"published_at": "2026-09-15T15:17:56.278+00:00"
}