| Titel | Anil-matcha Open-Generative-AI main Unrestricted Upload |
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| Beschreibung | The Open-Generative-AI Next.js application exposes unauthenticated upload proxy routes (/api/upload-binary and /api/v1/upload-binary) that forward an attacker-controlled multipart form, including a client-supplied x-proxy-target-url S3 destination, to the backend object store via server-side fetch. Combined with the unauthenticated credential passthrough endpoints /api/v1/get_upload_url and /api/app/get_file_upload_url, which return the muapi backend's presigned S3 upload credentials (key, AWSAccessKeyId, policy, signature) to any caller, an unauthenticated remote attacker can upload arbitrary file types to the backend S3 bucket. Malicious content may then be hosted on trusted S3/CDN domains, enabling stored XSS, malware distribution, and phishing, and the proxy can be abused as an open upload outlet.
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| Quelle | ⚠️ https://github.com/Anil-matcha/Open-Generative-AI/issues/310 |
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| Benutzer | Practice (UID 95611) |
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| Einreichung | 03.08.2026 13:17 (vor 1 Monat) |
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| Moderieren | 12.09.2026 21:22 (1 month later) |
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| Status | Akzeptiert |
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| VulDB Eintrag | 403185 [Anil-matcha Open-Generative-AI bis 1.0.11/2.0.0 S3 Upload /api/upload-binary x-proxy-target-url erweiterte Rechte] |
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| Punkte | 20 |
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