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CVE-2026-91931

Flowise before 3.1.4 Remote Code Execution via Custom MCP npx PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
FlowiseAI / Flowiseaffected 0 before 3.1.4; unaffected 3.1.4
FlowiseAI / Flowiseaffected 0 before 3.1.4; unaffected 3.1.4

CWE

CWE-78

References

ADP enrichment

CISA-ADP

No English description supplied.