Code Injection in Flowise - CVE-2026-69256
Published: July 30, 2026
Vulnerability identifier: #VU140073
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-2026-69256
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary code.
The vulnerability exists due to improper control of code generation in the CSVAgent node when processing a user-supplied customReadCSVFunc value. A remote user can supply crafted pandas.read_pickle() input to execute arbitrary code.
Exploitation requires access to create or modify a chatflow that uses the CSV Agent node, after which the vulnerable chatflow can be triggered via a prediction request.
Affected software
Flowise
How to mitigate CVE-2026-69256
Install security update from vendor's website.
Flowise - update to 3.1.3