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
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 (50.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.6% 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
- QNAP Qvr Pro
- QNAP Systems Inc. Qvr Pro — versions 2.7.x
Weakness classification (CWE)
References
- www.qnap.com/en/security-advisory/qsa-26-07 (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.