Path traversal in Flowise - #VU129617
Published: May 4, 2026
Vulnerability identifier: #VU129617
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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 attacker to disclose sensitive information.
The vulnerability exists due to improper input validation in the streamStorageFile function when handling file download requests. A remote attacker can provide crafted chatflowId and chatId values to disclose sensitive information.
The affected download APIs are listed in WHITELIST_URLS, allowing exploitation without authentication.
Affected software
Flowise
Remediation
Install security update from vendor's website.
Flowise - update to 3.0.6