CVE-2026-41273
Flowise: Unauthenticated OAuth 2.0 Access Token Disclosure via Public Chatflow
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, Flowise contains an authentication bypass vulnerability that allows an unauthenticated attacker to obtain OAuth 2.0 access tokens associated with a public chatflow. By accessing a public chatflow configuration endpoint, an attacker can retrieve internal workflow data, including OAuth credential identifiers, which can then be used to refresh and obtain valid OAuth 2.0 access tokens without authentication. This vulnerability is fixed in 3.1.0.
| CWE | CWE-306 |
| Vendor | flowiseai |
| Product | flowise |
| Published | Apr 23, 2026 |
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Affected Versions
FlowiseAI / Flowise
< 3.1.0