| Titolo | ChatGPTNextWeb NextChat 2.16.1 Permissive CORS Wildcard Policy |
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| Descrizione | NextChat configures its Next.js application to attach maximally permissive CORS response headers to every API endpoint under the /api/* path prefix. The configuration in next.config.mjs (lines 38-63) sets.This configuration allows any website on the internet to make cross-origin requests to all NextChat API endpoints. Because Access-Control-Allow-Headers: * permits custom headers, attacker-controlled JavaScript can set the x-base-url header, which the proxy endpoint (/api/[provider]/[...path]/route.ts) uses to determine the server-side fetch destination. This directly enables cross-origin SSRF attacks. |
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| Fonte | ⚠️ https://github.com/ChatGPTNextWeb/NextChat/issues/6756 |
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| Utente | Yu_Bao (UID 89348) |
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| Sottomissione | 17/04/2026 07:19 (5 mesi fa) |
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| Moderazione | 01/05/2026 18:34 (14 days later) |
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| Stato | Accettato |
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| Voce VulDB | 360755 [ChatGPTNextWeb NextChat fino a 2.16.1 API Endpoint Next.js escalationi di privilegi] |
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| Punti | 20 |
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