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CRITICAL

CVE-2026-77554

CVSS v3

10

CRITICAL

EPSS Score

1.6 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi Talk Application to execute a Command Injection on the host device.

Technical details

Published
2026-08-26
Last Modified
2026-08-26

Frequently asked questions

What is CVE-2026-77554?

A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi Talk Application to execute a Command Injection on the host device.

Is CVE-2026-77554 actively exploited?

Active exploitation of CVE-2026-77554 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-77554?

CVE-2026-77554 has a CVSS v3 base score of 10 (CRITICAL severity).

Is CVE-2026-77554 affecting your environment?

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