CVE-2026-91932

CVSS 9.0 (critical) · published 2026-09-15

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

Source: NVD CVE-2026-91932

References

• https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-x7x8-95gh-42xm
• https://www.vulncheck.com/advisories/flowise-before-3.1.4-remote-code-execution-via-cwd-parameter
• https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-x7x8-95gh-42xm

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