CVE-2026-91931

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Source
https://cve.org/CVERecord?id=CVE-2026-91931
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-91931.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-91931
Aliases
  • GHSA-vcwp-f9rq-3887
Published
2026-09-15T15:17:55Z
Modified
2026-09-18T03:30:35Z
Severity
  • 9.0 (Critical) CVSS_V4 - 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 CVSS Calculator
Summary
Flowise before 3.1.4 Remote Code Execution via Custom MCP npx
Details

Flowise before 3.1.4 contains a remote code execution vulnerability in the Custom MCP node that allows authenticated attackers to execute arbitrary code by supplying npx package names in the mcpServerConfig parameter. Attackers can invoke npx with attacker-controlled npm packages to execute code on the Flowise server.

Database specific 
{
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-78"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/91xxx/CVE-2026-91931.json"
}
References

Affected packages

Git / github.com/flowiseai/flowise

Affected ranges

Type
GIT
Repo
https://github.com/flowiseai/flowise
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
a65f81bb43ef66d3ce734bf0dff4223ae8041c95
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "3.1.4"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "DESCRIPTION"
    ]
}

Affected versions

flowise-components@1.*
flowise-components@1.0.0
flowise-components@1.1.0
flowise-components@1.1.1
flowise-components@1.2.1
flowise-components@1.2.10
flowise-components@1.2.12
flowise-components@1.2.14
flowise-components@1.2.15
flowise-components@1.2.16
flowise-components@1.2.17
flowise-components@1.2.2
flowise-components@1.2.3
flowise-components@1.2.4
flowise-components@1.2.5
flowise-components@1.2.6
flowise-components@1.2.7
flowise-components@1.2.8
flowise-components@1.2.9
flowise-components@1.3.0
flowise-components@1.3.1
flowise-components@1.3.10
flowise-components@1.3.11
flowise-components@1.3.2
flowise-components@1.3.3
flowise-components@1.3.4
flowise-components@1.3.5
flowise-components@1.3.7
flowise-components@1.3.8
flowise-components@1.3.9
flowise-components@1.4.0
flowise-components@1.4.1
flowise-components@1.4.2
flowise-components@1.4.6
flowise-components@1.4.7
flowise-components@1.4.8
flowise-components@1.4.9
flowise-components@1.5.0
flowise-components@1.5.1
flowise-components@1.5.2
flowise-components@1.5.3
flowise-components@1.6.0
flowise-components@1.6.1
flowise-components@1.6.2
flowise-components@1.6.3
flowise-components@1.6.4
flowise-components@1.6.5
flowise-components@1.6.6
flowise-components@1.6.7
flowise-components@1.6.8
flowise-components@1.7.0
flowise-components@1.7.1
flowise-components@1.7.2
flowise-components@1.8.0
flowise-components@1.8.1
flowise-components@1.8.3
flowise-components@1.8.4
flowise-components@1.8.6
flowise-components@2.*
flowise-components@2.0.2
flowise-components@2.0.3
flowise-components@2.0.4
flowise-components@2.0.5
flowise-components@2.0.6
flowise-components@2.0.7
flowise-components@2.1.0
flowise-components@2.1.1
flowise-components@2.1.2
flowise-components@2.1.3
flowise-components@2.1.4
flowise-components@2.1.5
flowise-components@2.2.0
flowise-components@2.2.1
flowise-components@2.2.2
flowise-components@2.2.3
flowise-components@2.2.4
flowise-components@2.2.5
flowise-components@2.2.6
flowise-components@2.2.7
flowise-components@2.2.7-patch.1
flowise-components@2.2.8
flowise-components@3.*
flowise-components@3.0.0
flowise-components@3.0.1
flowise-components@3.0.10
flowise-components@3.0.11
flowise-components@3.0.12
flowise-components@3.0.13
flowise-components@3.0.2
flowise-components@3.0.3
flowise-components@3.0.4
flowise-components@3.0.5
flowise-components@3.0.6
flowise-components@3.0.7
flowise-components@3.0.8
flowise-components@3.0.9
flowise-components@3.1.0
flowise-components@3.1.1
flowise-components@3.1.2
flowise-components@3.1.3
flowise-ui@1.*
flowise-ui@1.0.0
flowise-ui@1.1.0
flowise-ui@1.2.0
flowise-ui@1.2.1
flowise-ui@1.2.10
flowise-ui@1.2.12
flowise-ui@1.2.13
flowise-ui@1.2.14
flowise-ui@1.2.15
flowise-ui@1.2.2
flowise-ui@1.2.3
flowise-ui@1.2.4
flowise-ui@1.2.5
flowise-ui@1.2.6
flowise-ui@1.2.7
flowise-ui@1.3.0
flowise-ui@1.3.1
flowise-ui@1.3.2
flowise-ui@1.3.3
flowise-ui@1.3.4
flowise-ui@1.3.5
flowise-ui@1.3.6
flowise-ui@1.3.7
flowise-ui@1.4.0
flowise-ui@1.4.2
flowise-ui@1.4.3
flowise-ui@1.4.4
flowise-ui@1.4.5
flowise-ui@1.4.6
flowise-ui@1.4.7
flowise-ui@1.4.8
flowise-ui@1.4.9
flowise-ui@1.5.0
flowise-ui@1.5.1
flowise-ui@1.6.0
flowise-ui@1.6.1
flowise-ui@1.6.2
flowise-ui@1.6.3
flowise-ui@1.6.4
flowise-ui@1.6.5
flowise-ui@1.6.6
flowise-ui@1.7.0
flowise-ui@1.7.1
flowise-ui@1.7.2
flowise-ui@1.8.0
flowise-ui@1.8.1
flowise-ui@1.8.2
flowise-ui@1.8.3
flowise-ui@1.8.4
flowise-ui@2.*
flowise-ui@2.0.2
flowise-ui@2.0.3
flowise-ui@2.0.4
flowise-ui@2.0.5
flowise-ui@2.0.6
flowise-ui@2.0.7
flowise-ui@2.1.0
flowise-ui@2.1.1
flowise-ui@2.1.2
flowise-ui@2.1.3
flowise-ui@2.1.4
flowise-ui@2.1.5
flowise-ui@2.2.0
flowise-ui@2.2.1
flowise-ui@2.2.2
flowise-ui@2.2.3
flowise-ui@2.2.4
flowise-ui@2.2.5
flowise-ui@2.2.6
flowise-ui@2.2.7
flowise-ui@2.2.7-patch.1
flowise-ui@2.2.8
flowise-ui@3.*
flowise-ui@3.0.0
flowise-ui@3.0.1
flowise-ui@3.0.10
flowise-ui@3.0.11
flowise-ui@3.0.12
flowise-ui@3.0.13
flowise-ui@3.0.2
flowise-ui@3.0.3
flowise-ui@3.0.4
flowise-ui@3.0.5
flowise-ui@3.0.6
flowise-ui@3.0.7
flowise-ui@3.0.8
flowise-ui@3.0.9
flowise-ui@3.1.0
flowise-ui@3.1.1
flowise-ui@3.1.2
flowise-ui@3.1.3
flowise@1.*
flowise@1.0.0
flowise@1.0.1
flowise@1.1.0
flowise@1.1.1
flowise@1.2.1
flowise@1.2.11
flowise@1.2.13
flowise@1.2.14
flowise@1.2.15
flowise@1.2.16
flowise@1.2.2
flowise@1.2.3
flowise@1.2.4
flowise@1.2.5
flowise@1.2.6
flowise@1.2.7
flowise@1.2.8
flowise@1.2.9
flowise@1.3.0
flowise@1.3.1
flowise@1.3.2
flowise@1.3.3
flowise@1.3.4
flowise@1.3.5
flowise@1.3.6
flowise@1.3.7
flowise@1.3.8
flowise@1.3.9
flowise@1.4.0
flowise@1.4.1
flowise@1.4.10
flowise@1.4.11
flowise@1.4.12
flowise@1.4.2
flowise@1.4.4
flowise@1.4.5
flowise@1.4.6
flowise@1.4.7
flowise@1.4.8
flowise@1.4.9
flowise@1.5.0
flowise@1.5.1
flowise@1.6.0
flowise@1.6.1
flowise@1.6.2
flowise@1.6.3
flowise@1.6.4
flowise@1.6.5
flowise@1.6.6
flowise@1.7.0
flowise@1.7.1
flowise@1.7.2
flowise@1.8.0
flowise@1.8.1
flowise@1.8.2
flowise@1.8.3
flowise@1.8.4
flowise@2.*
flowise@2.0.2
flowise@2.0.3
flowise@2.0.4
flowise@2.0.5
flowise@2.0.6
flowise@2.0.7
flowise@2.1.0
flowise@2.1.1
flowise@2.1.2
flowise@2.1.3
flowise@2.1.4
flowise@2.1.5
flowise@2.2.0
flowise@2.2.1
flowise@2.2.2
flowise@2.2.3
flowise@2.2.4
flowise@2.2.5
flowise@2.2.6
flowise@2.2.6-hotfix.1
flowise@2.2.7
flowise@2.2.7-patch.1
flowise@2.2.8
flowise@3.*
flowise@3.0.0
flowise@3.0.1
flowise@3.0.10
flowise@3.0.11
flowise@3.0.12
flowise@3.0.13
flowise@3.0.2
flowise@3.0.3
flowise@3.0.4
flowise@3.0.5
flowise@3.0.6
flowise@3.0.7
flowise@3.0.8
flowise@3.0.9
flowise@3.1.0
flowise@3.1.1
flowise@3.1.2
flowise@3.1.3
Other
pre-langchain-v1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-91931.json"