CVE-2026-22893Network attack vector

Elevated command execution via undisclosed injection

Published Jun 10, 2026 · Updated Jun 10, 2026

Command injection in QNAP QTS and QuTS hero allows remote authenticated users with administrator access to execute arbitrary commands. QNAP has not disclosed the affected component, input field, or code path responsible for improper command-input neutralization. Network access and an administrator account are required; successful exploitation runs commands with elevated privileges on the NAS.

CVSS severity8.6
High
EPSS probability1.09%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Command injection in QNAP QTS and QuTS hero allows remote authenticated users with administrator access to execute arbitrary commands. QNAP has not disclosed the affected component, input field, or code path responsible for improper command-input neutralization. Network access and an administrator account are required; successful exploitation runs commands with elevated privileges on the NAS.

The record

CVE
CVE-2026-22893
Published
Jun 10, 2026
Updated
Jun 10, 2026
Vendor
Linn Products Limited
Product
QuTS hero
Classifications
CWE-78, CAPEC-88, T1059
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jun 10, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 10, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=h5.2.0 <h5.2.9.3410 build 20260214
  2. Affected versionversion=h5.3.0 <h5.3.4.3500 build 20260520
  3. Affected versionversion=? <h6.0.0.3459 build 20260409

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Linn Products Limited · QuTS heroversion=h5.2.0 <h5.2.9.3410 build 20260214; version=h5.3.0 <h5.3.4.3500 build 20260520; version=? <h6.0.0.3459 build 20260409
Linn Products Limited · QTSversion=5.2.0 <5.2.9.3410 build 20260214

Published CVSS scores

8.6QNAP Systems, Inc.CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.2NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CAPEC-88OS Command Injection
T1059Command and Scripting Interpreter

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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