What is CVE-2026-33070?

CVE-2026-33070 is a low-severity vulnerability in Error311 Filerise, classified under Missing Authentication for Critical Function. CVSS score: 3.7/10. Published 2026-03-20.

How severe is CVE-2026-33070?

Low severity. CVSS v3 base score is 3.7 out of 10.

Auth bypass in Error311 Filerise

CVE-2026-33070

FileRise is a self-hosted web file manager / WebDAV server. In versions prior to 3.8.0, a missing-authentication vulnerability in the deleteShareLink endpoint allows any unauthenticated user to delete arbitrary file share links by providin…

Vulnerability class: Broken Authentication

EPSS: 0.000 (10.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Error311 Filerise — versions < 3.8.0

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

https://github.com/error311/FileRise/security/advisories/GHSA-vh5m-w36c-99xv (x_refsource_CONFIRM)
https://github.com/error311/FileRise/releases/tag/v3.8.0 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-33070?: CVE-2026-33070 is a low-severity vulnerability in Error311 Filerise, classified under Missing Authentication for Critical Function. CVSS score: 3.7/10. Published 2026-03-20.
How severe is CVE-2026-33070?: Low severity. CVSS v3 base score is 3.7 out of 10.