What is CVE-2026-33330?

CVE-2026-33330 is a high-severity vulnerability in Error311 Filerise, classified under Incorrect Authorization. CVSS score: 7.1/10. Published 2026-03-24.

How severe is CVE-2026-33330?

High severity. CVSS v3 base score is 7.1 out of 10.

Auth bypass in Error311 Filerise

CVE-2026-33330

FileRise is a self-hosted web file manager / WebDAV server. Prior to version 3.10.0, a broken access control issue in FileRise's ONLYOFFICE integration allows an authenticated user with read-only access to obtain a signed save callbackUrl…

Vulnerability class: Broken Access Control

EPSS: 0.000 (2.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N.

Affected products

Error311 Filerise — versions < 3.10.0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

https://github.com/error311/FileRise/security/advisories/GHSA-6c3j-f4x4-36m3 (x_refsource_CONFIRM)
https://github.com/error311/FileRise/commit/3871f9fd1661688bed4f7dd23912be0ebf50973c (x_refsource_MISC)
https://github.com/error311/FileRise/releases/tag/v3.10.0 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-33330?: CVE-2026-33330 is a high-severity vulnerability in Error311 Filerise, classified under Incorrect Authorization. CVSS score: 7.1/10. Published 2026-03-24.
How severe is CVE-2026-33330?: High severity. CVSS v3 base score is 7.1 out of 10.