highCVSS 8.5NVD status: Awaiting Analysis

CVE-2026-91932

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.

ComponentFlowise
Severityhigh (CVSS 8.5)
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Published (NVD)2026-09-15
Last modified2026-09-16
Affected versions
< 3.1.4
read from the advisory text: NVD has not published CPE data yet
Fixed in3.1.4
WeaknessCWE-20
CISA KEVnot listed

NVD 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.

Does CVE-2026-91932 hit the version you run?Paste your docker-compose.yml, requirements.txt or package.json. The scanner checks your pinned versions against this CVE and every other one we track for Flowise.
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What to do

  • Upgrade Flowise to 3.1.4 or later.
  • Do not expose the component's API or UI to the internet without authentication in front of it.

Sources

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