Improper access control in Flowise - CVE-2026-69251

 

Improper access control in Flowise - CVE-2026-69251

Published: July 30, 2026


Vulnerability identifier: #VU140066
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-2026-69251
CWE-ID: CWE-284
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 access control in TypeORM DataSource configuration handling in record manager and agent memory nodes when processing user-supplied additionalConfig options. A remote user can supply crafted DataSource options that load attacker-controlled local JavaScript files to execute arbitrary code.

Exploitation requires valid authentication and the ability to configure a flow node that exposes the additionalConfig input.


Affected software

Flowise

How to mitigate CVE-2026-69251

Install security update from vendor's website.

Flowise - update to 3.1.3

External References

Related Security Bulletins