High severity · published Jun 10, 2026
CVE-2026-22893
QTS, QuTS hero
7.2
CVSS
1.1%
EPSS
No
On KEV
Description
A command injection vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to execute arbitrary commands. We have already fixed the vulnerability in the following versions: QTS 5.2.9.3410 build 20260214 and later QuTS hero h5.2.9.3410 build 20260214 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3459 build 20260409 and later
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QT
QTS · QNAP Systems Inc.
5.2.0 before 5.2.9.3410 build 20260214 · source: vendor, NVD
QH
QuTS hero · QNAP Systems Inc.
h5.2.0 before h5.2.9.3410 build 20260214; h5.3.0 before h5.3.4.3500 build 20260520; ? before h6.0.0.3459 build 20260409 · source: vendor, NVD
Affected product
QT
QTS
QNAP Systems Inc.
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QuTS hero is not affected