CVE-2026-56277
CVE-2026-56277 · Flowise - Hardcoded CORS Wildcard in TTS Endpoint
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Flowise before 3.1.2 sets Access-Control-Allow-Origin to a hardcoded wildcard (*) on its text-to-speech (TTS) generation endpoint (packages/server/src/controllers/text-to-speech/index.ts), independent of the server's configured CORS policy. This bypasses the server's otherwise restrictive default CORS configuration (getCorsOptions()) and allows any webpage to make cross-origin requests that trigger TTS generation using stored credentials, enabling drive-by cross-origin credential abuse.
CVSS 6.9 · Media · EPSS 0,2% · Corrección disponible
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Pila tecnológica: node