Path traversal in Flowise - CVE-2025-61913
Published: April 9, 2026
Vulnerability identifier: #VU125537
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-61913
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to write arbitrary files to any path on the server, potentially leading to remote command execution.
The vulnerability exists due to improper limitation of a pathname to a restricted directory in the WriteFileTool when processing a user-supplied file path. A remote user can supply a crafted file path and arbitrary file content to write arbitrary files to any path on the server, potentially leading to remote command execution.
The issue is in packages/components/nodes/tools/WriteFile/WriteFile.ts.
Affected software
Flowise
How to mitigate CVE-2025-61913
Install security update from vendor's website.
Flowise - update to 3.0.8