CVE-2026-61844

FileRise is a self-hosted web-based file manager with multi-file upload, editing, and batch operations. Prior to 3.18.0, FileRise flattens logical folder paths into metadata filenames by replacing separators and spaces with hyphens, so distinct folders such as team/docs and team-docs can share one metadata file. Because uploader metadata is used to authorize read_own and ownership-restricted edits, a low-privileged user who controls one colliding folder, knows the target basename, and already has read_own access to the target folder can alter the metadata used by that folder, make the victim file appear attacker-owned, read it, and modify it when edit-own permission is also available. This issue is fixed in version 3.18.0.

• CWE-706

• https://github.com/error311/FileRise/commit/9ed1a38f00918849dbda30f54291d1451ed80d11
• https://github.com/error311/FileRise/releases/tag/v3.18.0
• https://github.com/error311/FileRise/security/advisories/GHSA-qpm8-pgmq-wxmh
• https://github.com/error311/FileRise/security/advisories/GHSA-qpm8-pgmq-wxmh

Published

Oct 14, 2026

Last Modified

Oct 15, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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