Path Traversal in Error311 Filerise
CVE-2026-54414
FileRise before 3.16.0 is vulnerable to path traversal in the shared-folder upload endpoint (/api/folder/uploadToSharedFolder.php), leading to arbitrary file write and administrator account takeover. The upload filename is validated by FolderController with basename and REGEX_FILE_NAME, which permit URL-encoded sequences (the regex blocks / and \ but not %).
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (50.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Error311 Filerise — versions 0
Weakness classification (CWE)
References
- 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (product)
- 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (technical-description)
- 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (patch)
Frequently asked questions
- What is CVE-2026-54414?
- CVE-2026-54414 is a critical-severity vulnerability in Error311 Filerise, classified under Path Traversal. CVSS score: 9.8/10. Published 2026-06-19.
- How severe is CVE-2026-54414?
- Critical severity. CVSS v3 base score is 9.8 out of 10.