CVE-2026-61843

CVE-2026-61843 · FileRise: Unauthenticated File Overwrite Through Upload-Enabled Folder Shares

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FileRise is a self-hosted web-based file manager with multi-file upload, editing, and batch operations. Prior to 3.18.0, FileRise upload-enabled shared-folder and upload-only links do not reject a destination filename that already exists. An unauthenticated visitor with a valid share token and any configured share password can upload a file with the same name as an existing file and silently replace its content while the original uploader metadata remains. The same replacement gap affects ordinary authenticated uploads through /api/upload/upload.php and authenticated upload-only users who lack edit authority over the existing file. This issue is fixed in version 3.18.0.

CVSS 8.2 · Élevée · EPSS 0,4%

Publication

2026-10-14T20:22:57.741Z

Mise à jour

2026-10-15T15:05:44.030Z

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