Vulnerability in Error311 Filerise
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Error311 Filerise — versions < 3.18.0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-61844?
- CVE-2026-61844 is a high-severity vulnerability in Error311 Filerise, classified under Use of Incorrectly-Resolved Name or Reference. CVSS score: 7.1/10. Published 2026-10-14.
- How severe is CVE-2026-61844?
- High severity. CVSS v3 base score is 7.1 out of 10.