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TI-2026-40638 Aliases CVE-2026-56273GHSA-g8g5-48h4-5r8h

Flowise - Path Traversal in Vector Store basePath Parameter

Priority MEDIUM 56CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Flowise before 3.1.0 contains a path traversal vulnerability in Faiss and SimpleStore vector store implementations that accept unsanitized basePath parameters from authenticated users. Attackers with valid API tokens can write vector store data to arbitrary filesystem locations, potentially enabling code execution or data exfiltration.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.005 43rd percentileScored 2026-11-07
Fix Fixed Flowise (Flowise): 3.1.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
FlowiseAIFlowisebefore 3.1.03.1.0Patch availableCNA
FlowiseAIFlowisebefore 3.1.03.1.0Patch availableCNA
  • Flowise VendorFlowiseAI Affected before 3.1.0 Fixed in 3.1.0 Patch available CNA
  • Flowise VendorFlowiseAI Affected before 3.1.0 Fixed in 3.1.0 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:*——FlowiseAI
  • cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:* Versions — — ·FlowiseAI

Remediation

  • Fix · CNA Flowise (Flowise) Fixed in 3.1.0
  • Fix · CNA Flowise (Flowise) Fixed in 3.1.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-56273
  2. 2026-10-03 Alias added: GHSA-g8g5-48h4-5r8h

References

Advisory 1

  • TI-2025-37059 Flowise has Remote Code Execution vulnerability CVSS 3.1CRITICAL 10.0
  • TI-2025-36193 Flowise Cloud and Local Deployments have Unauthenticated Password Reset Token Disclosure that Leads to Account Takeover CVSS 3.1CRITICAL 9.8
  • TI-2025-08190 Unsupervised OS command execution leads to remote code execution by unauthenticated network attackers CVSS 3.1CRITICAL 9.8
  • TI-2026-51595 Flowise before 3.1.3 Sandbox Escape via Puppeteer CVSS 4.0CRITICAL 9.4
  • TI-2026-49250 Flowise: CSV Agent Prompt Injection Remote Code Execution Vulnerability CVSS 4.0CRITICAL 9.5
  • TI-2025-43459 Flowise through 2.2.7 - Arbitrary File Write to Remote Code Execution via document-store API CVSS 4.0CRITICAL 10.0
See all 150 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences