Cyber Posture

CVE-2026-22898

Critical

Published: 20 March 2026

Published
20 March 2026
Modified
14 April 2026
KEV Added
Patch
CVSS Score 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0045 63.7th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Description

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…

more

2.7.4.14 and later

Mitigating Controls (NIST 800-53 r5)AI

prevent

Directly requires organizations to identify and limit critical functions accessible without identification or authentication, preventing exploitation of missing authentication vulnerabilities like this CVE.

prevent

Mandates unique identification and authentication for non-organizational users, blocking remote unauthenticated attackers from accessing critical functions.

prevent

Enforces approved authorizations for logical access to system resources, ensuring critical functions require proper authentication to mitigate unauthorized access.

Security SummaryAI

CVE-2026-22898 is a missing authentication for critical function vulnerability (CWE-306) affecting QVR Pro software from QNAP. Published on 2026-03-20, it carries a CVSS v3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), classifying it as critical due to its potential for severe impact without requiring user interaction or privileges.

Remote, unauthenticated attackers can exploit this vulnerability over the network with low complexity to gain unauthorized access to the affected system, enabling high levels of confidentiality, integrity, and availability compromise.

QNAP has fixed the vulnerability in QVR Pro version 2.7.4.14 and later. Additional details on mitigation are available in the vendor's security advisory at https://www.qnap.com/en/security-advisory/qsa-26-07.

Details

CWE(s)

Affected Products

qnap
qvr pro
2.7.1.1259 — 2.7.4.1485

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
Why these techniques?

The vulnerability is a missing authentication for critical functions in QVR Pro, a network-accessible application, enabling remote unauthenticated exploitation of a public-facing application.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

References