Critical severity · published Mar 20, 2026
CVE-2026-22898
A missing authentication for critical function vulnerability has been reported to affect QVR Pro
9.8
CVSS
0.7%
EPSS
No
On KEV
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 2.7.4.14 and later
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QP
Qvr Pro · Qnap
2.7.1.1259 before 2.7.4.1485 · source: NVD
Affected product
QP
Qvr Pro
Qnap
More from Qvr Pro
9.8
CVE-2021-38692
A stack buffer overflow vulnerability has been reported to affect QNAP device running QVR Elite, QVR Pro, QVR Guard
9.8
CVE-2021-38691
A stack buffer overflow vulnerability has been reported to affect QNAP device running QVR Elite, QVR Pro, QVR Guard
9.8
CVE-2021-38690
A stack buffer overflow vulnerability has been reported to affect QNAP device running QVR Elite, QVR Pro, QVR Guard
9.8
CVE-2021-38689
A stack buffer overflow vulnerability has been reported to affect QNAP device running QVR Elite, QVR Pro, QVR Guard
9.8
CVE-2021-38682
A stack buffer overflow vulnerability has been reported to affect QNAP device running QVR Elite, QVR Pro, QVR Guard