CVE-2026-91932 Flowise before 3.1.4 Remote Code Execution via cwd Parameter
Authenticated attackers can achieve remote code execution in Flowise by bypassing path validation via the cwd parameter in MCP server configuration.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-91932?
CVE-2026-91932 is a critical command injection vulnerability in FlowiseAI Flowise, published on 15 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Weakness: CWE-20
Which versions are affected by CVE-2026-91932?
How do I fix CVE-2026-91932?
No fix has been published for CVE-2026-91932 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-91932 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-91932 exists.
Sources
Also known as GHSA-63x5-9mcr-7447, GHSA-x7x8-95gh-42xm.