CVE-2026-91932

Flowise before 3.1.4 Remote Code Execution via cwd Parameter

State
Published
Severity
9.0 Critical
Published
Sep 15, 2026
Updated
Sep 15, 2026
Reserved
Sep 15, 2026

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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.

Scores

CVSSScoreVectorSource
4.09.0 CriticalCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:HVulnCheck
3.18.5 HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:HVulnCheck

Weaknesses

  • CWE-20 Improper Input Validation

Affected Products

ProductVersions
FlowiseFlowiseAI
  • before 3.1.4Affected
  • 3.1.4Not affected
FlowiseFlowiseAI
  • before 3.1.4Affected
  • 3.1.4Not affected

References

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