Vulnerability · Published Sep 15, 2026 · Assigned by VulnCheck
CVE-2026-91932Flowise before 3.1.4 Remote Code Execution via cwd Parameter
High 8.5
In plain English
A high-severity improper input validation in Flowise from FlowiseAI. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities).
Severity (CVSS 3.1)8.5High
Exploit odds (30 days)0.7%top 45.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
References
- GitHub Security Advisory (GHSA-x7x8-95gh-42xm) vendor-advisory
- VulnCheck Advisory: Flowise before 3.1.4 Remote Code Execution via cwd Parameter third-party-advisory