Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Flowiseai | Flowise | < 3.1.0 |
Related Weaknesses (CWE)
References
- https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-6f7g-v4pp-r667ExploitVendor Advisory
- https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-6f7g-v4pp-r667ExploitVendor Advisory
FAQ
What is CVE-2026-41273?
CVE-2026-41273 is a vulnerability with a CVSS score of 8.2 (HIGH). 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...
How severe is CVE-2026-41273?
CVE-2026-41273 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-41273?
Check the references section above for vendor advisories and patch information. Affected products include: Flowiseai Flowise.