Signal is active with 1 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD 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.
Priority
LOW
Exploitation
NONE
PoC
YES
Patch
AVAILABLE
Momentum
NONE
If you run products in this scope, you should treat this CVE as relevant to your environment.
🚨 HIGH: CVE-2026-90535 (CVSS 7.5) Flowise <3.1.4 unauthenticated DoS via /api/v1/text-to-speech/abort. Attackers can terminate any user's chatflow predictions without auth. Patch immediately. #CVE #Vulnerability #PatchNow #ThreatIntel https://t.co/waqjYBSM1s
Post summary
The post discloses an unauthenticated DoS in Flowise with CVE, CVSS, endpoint, and affected version details, and it primarily urges immediate patching.
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| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| App | flowiseai | flowise | - | - | - |