CVE-2026-56276

UNKNOWN 0.0

Flowise - Mass Assignment in PUT /api/v1/user Allows Password Hash Override

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-915
Vendor	flowise
Product	flowise
Published	Jun 20, 2026

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Affected Versions

Flowise / Flowise

0 < 3.1.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-59fh-9f3p-7m39 vulncheck.com: https://www.vulncheck.com/advisories/flowise-mass-assignment-in-put-api-v1-user-allows-password-hash-override

Credits

🔍 berkdedekarginoglu