CVE-2026-91932
HIGHCVSS 8.5Description
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.
Timeline
Published:September 15th, 2026 4:17 PM
Last modified:September 16th, 2026 8:17 PM
CVSS Scoring
CVSS v3: 8.5 (HIGH)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Weaknesses (CWE)
References & Reports
Advisories, patches, and third-party reports
Source: NIST NVD · Data may lag official sources by up to one minute