CVE-2026-52098: Flowiseai Flowise

Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days.

An issue in Flowise 3.1.2 allows a remote attacker to execute arbitrary code via the /api/v1/prediction/<flowId> endpoint

Affected products

• Flowiseai Flowise: version 3.1.2 only

Published 2026-09-10. Last modified 2026-09-15.