Security Advisory

CVE-2026-90535

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-09-12 12:08:44

Last updated 2026-09-14 16:04:39

Assigner VulnCheck

CVSS score 6.3

State PUBLISHED

Description

Flowise versions before 3.1.4 contain an unauthenticated denial of service vulnerability in the /api/v1/text-to-speech/abort endpoint that accepts user-supplied chatflowId and chatId without ownership verification. Attackers can terminate active chatflow predictions for any user by submitting requests with known chatflow and chat identifiers, causing targeted service disruption.

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