CVE-2026-90535
UNKNOWN
NVD
CVSS Score
0
Severity
UNKNOWN
Published
Sep 12, 2026
Vendor
unknown
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.