Path traversal in Flowise - #VU146551
Published: September 1, 2026
Vulnerability identifier: #VU146551
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to conduct stored cross-site scripting.
The vulnerability exists due to path traversal in the Sql Database Chain node when accepting a user-supplied sqlite file path. A remote user can supply a crafted sqlite database path and write malicious HTML content into the frontend build directory to conduct stored cross-site scripting.
User interaction is required for a victim to visit the attacker-written HTML file served by the application.
Affected software
Flowise
Remediation
Install security update from vendor's website.
Flowise - update to 3.1.4