| Title | HaschekSolutions PictShare 3.7.1 Race Condition |
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| Description | Version v3.0.0 through the current v3.7.1 of PictShare allows competing URL-driven file uploads with the same temporary filename to bypass type and security checks through a Time-of-Check to Time-of-Use (TOCTOU) vulnerability.
This grants anyone with permissions to upload the ability to host unauthorized or illicit content types on the platform. Additionally, the same TOCTOU vector enables a theoretical timing attack against served contents when pulled from backend storage controllers. |
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| Source | ⚠️ https://xmit.xyz/security/the-file-that-changed-its-mind/ |
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| User | Anonymous User |
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| Submission | 10/02/2026 05:23 (25 days ago) |
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| Moderation | 10/25/2026 18:55 (24 days later) |
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| Status | Accepted |
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| VulDB entry | 426302 [HaschekSolutions PictShare up to 3.7.1 File Upload src/inc/core.php architect race condition] |
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| Points | 20 |
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