CVE-2026-56273CWE-22

Flowise - Path Traversal in Vector Store basePath Parameter

Medium · published July 8, 2026

CVSS v4.0
4.9
EPSS
1%
Percentile
42.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
4.9 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:H/SA:N
EPSS
0.00500 · 42.0th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-07-08T13:48Z
EPSS history
Timeline
  • 08 JUL 13:48Z
    Flowise - Path Traversal in Vector Store basePath Parameter
    cvelistv5