CVE-2026-91932

High

Description

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.

SeverityHigh

CVSS8.5

Exploit probability—

ProductFlowise

PublishedSep 15, 2026

First seenSep 15, 2026

Weakness typeCWE-20Improper input validation

How to fix

Update

FlowiseAI Flowise3.1.4 or later

Vendor advisories

github.com/FlowiseAI/Flowise/security/advisories/GHSA-x7x8-95gh-42xm

Affected products

Product	Affected versions	Fixed in
FlowiseAI Flowise	v < 3.1.4	3.1.4

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