What is CVE-2026-22898?

CVE-2026-22898 is a critical-severity vulnerability in Qnap Qvr Pro, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-03-20.

How severe is CVE-2026-22898?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Qnap Qvr Pro

CVE-2026-22898

A missing authentication for critical function vulnerability has been reported to affect QVR Pro. The remote attackers can then exploit the vulnerability to gain access to the system. We have already fixed the vulnerability in the following version: QVR Pro 2.7.4.14 and later

Vulnerability class: Broken Authentication

EPSS: 0.007 (48.8th percentile) — read the EPSS interpretation.

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.

Affected products

Qnap Qvr_pro
Qnap Systems Inc. Qvr Pro — versions 2.7.x

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

security@qnapsecurity.com.tw (Vendor Advisory)

Frequently asked questions

What is CVE-2026-22898?: CVE-2026-22898 is a critical-severity vulnerability in Qnap Qvr Pro, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-03-20.
How severe is CVE-2026-22898?: Critical severity. CVSS v3 base score is 9.8 out of 10.