| Title | sdcb chats 1.12.0 Missing Authorization |
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| Description | A file access control issue exists in the public file download endpoint. Any party who obtains a valid signed file URL can download the file without authentication. This allows unauthenticated access to user-uploaded files as long as the signed URL is known.
https://github.com/sdcb/chats |
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| Source | ⚠️ https://github.com/yaowenxiao721/Poc/blob/main/sdcb-chats/chats-poc-2.md |
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| User | yaowenxiao (UID 82929) |
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| Submission | 07/02/2026 10:51 (2 months ago) |
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| Moderation | 08/31/2026 11:46 (2 months later) |
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| Status | Accepted |
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| VulDB entry | 397286 [sdcb chats up to 1.12.0 Signed File Download Endpoint FileController.cs DownloadPublic missing authentication] |
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| Points | 18 |
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