Vulnerability Description
Flowise before 3.1.2 contains a mass assignment vulnerability in the PUT /api/v1/user endpoint that allows authenticated users to directly modify the credential field without validation. Attackers can bypass password change verification and session invalidation by supplying a crafted password hash, establishing persistent account access after temporary session compromise.
Related Weaknesses (CWE)
References
- https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-59fh-9f3p-7m39
- https://www.vulncheck.com/advisories/flowise-mass-assignment-in-put-api-v1-user-
- https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-59fh-9f3p-7m39
FAQ
What is CVE-2026-56276?
CVE-2026-56276 is a documented vulnerability. Flowise before 3.1.2 contains a mass assignment vulnerability in the PUT /api/v1/user endpoint that allows authenticated users to directly modify the credential field without validation. Attackers can...
How severe is CVE-2026-56276?
CVSS scoring is not yet available for CVE-2026-56276. Check NVD for updates.
Is there a patch for CVE-2026-56276?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.