CVE-2026-22563

CriticalUpdated

Published: 13 April 2026

Published

13 April 2026

Modified

30 April 2026

KEV Added

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Patch

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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 0.0010 27.4th percentile

Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-22563 is a critical-severity Improper Input Validation (CWE-20) vulnerability in Ui (inferred from references). Its CVSS base score is 9.8 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 27.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).

Threat & Defense at a Glance

What attackers do: exploitation maps to Exploit Public-Facing Application (T1190) and 2 other techniques. What defenders deploy: see the NIST 800-53 controls recommended below.

Threat & Defense Details

Mitigating Controls (NIST 800-53 r5)AI

SI-10 Information Input Validation good match

prevent

Directly requires implementation of input validation mechanisms to prevent command injection from improper input handling in the affected UniFi Play devices.

SI-2 Flaw Remediation good match

prevent

Mandates timely identification, reporting, and correction of flaws like this improper input validation vulnerability through patching to versions 1.0.38+ and 1.1.9+.

RA-5 Vulnerability Monitoring and Scanning partial match

detect

Enables vulnerability scanning to identify improper input validation flaws enabling command injection prior to exploitation.

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.

attack.mitre.org →

T1210 Exploitation of Remote Services Lateral Movement

Adversaries may exploit remote services to gain unauthorized access to internal systems once inside of a network.

attack.mitre.org →

T1059.004 Unix Shell Execution

Adversaries may abuse Unix shell commands and scripts for execution.

attack.mitre.org →

Why these techniques?

Remote unauthenticated command injection vulnerability enables exploitation of public-facing or remote services (T1190, T1210) and facilitates arbitrary command execution via Unix Shell (T1059.004) on Linux-based UniFi devices.

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

NVD Description

A series of Improper Input Validation vulnerabilities could allow a Command Injection by a malicious actor with access to the UniFi Play network. Affected Products: UniFi Play PowerAmp (Version 1.0.35 and earlier) UniFi Play Audio Port (Version 1.0.24 and earlier)…

Mitigation: Update UniFi Play PowerAmp to Version 1.0.38 or later Update UniFi Play Audio Port to Version 1.1.9 or later

Deeper analysisAI

CVE-2026-22563 consists of a series of improper input validation vulnerabilities (CWE-20) that could enable command injection attacks. The affected products are UniFi Play PowerAmp in versions 1.0.35 and earlier, and UniFi Play Audio Port in versions 1.0.24 and earlier.

With 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), the vulnerability is exploitable remotely over the network with low attack complexity, requiring no privileges, user interaction, or special conditions. A malicious actor with access to the UniFi Play network can leverage these flaws to inject and execute arbitrary commands on the affected devices.

The security advisory recommends updating UniFi Play PowerAmp to version 1.0.38 or later and UniFi Play Audio Port to version 1.1.9 or later as the primary mitigation. Additional details are available in the Ubiquiti UniFi community release at https://community.ui.com/releases/Security-Advisory-Bulletin-063/e468dd4b-5090-4ef8-89d8-939903c08e83.