What is CVE-2026-33477?

CVE-2026-33477 is a medium-severity vulnerability in Error311 Filerise, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-03-26.

How severe is CVE-2026-33477?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Error311 Filerise

CVE-2026-33477

FileRise is a self-hosted web-based file manager with multi-file upload, editing, and batch operations. In versiosn 2.3.7 through 3.10.0, the file snippet endpoint `/api/file/snippet.php` allows an authenticated user with only `read_own` a…

Vulnerability class: Broken Access Control

EPSS: 0.002 (13.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Error311 Filerise — versions >= 2.3.7, < 3.11.0
Filerise

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)
security-advisories@github.com (x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-33477?: CVE-2026-33477 is a medium-severity vulnerability in Error311 Filerise, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-03-26.
How severe is CVE-2026-33477?: Medium severity. CVSS v3 base score is 4.3 out of 10.