CVE-2026-56273

Medium

Description

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.

SeverityMedium

CVSS6.5

Exploit probability—

ProductFlowise

PublishedJul 8, 2026

First seenJul 8, 2026

Weakness typeCWE-22Path traversal

How to fix

Update

flowise3.1.0 or later
flowise-components3.1.0 or later

Vendor advisories

github.com/FlowiseAI/Flowise/security/advisories/GHSA-w6v6-49gh-mc9w

Affected products

Product	Affected versions	Fixed in
flowisenpm	v < 3.1.0	3.1.0
flowise-componentsnpm	v < 3.1.0	3.1.0

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