CVE-2026-55119 | BDVDB-2026-345240 Detail

UbiquitiUniFi Talk Application

Description#

A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability found in UniFi Talk Application to escalate privileges within the UniFi Talk Application.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact none. Attack vector: network.

Weaknesses#

CWE-284 Improper Access Control

References#

https://community.ui.com/releases/Security-Advisory-Bulletin-066-066/984eceb3-49c8-4227-942d-671c289b3afc

Exploit#

No public exploit known

History#

Version 12026-07-02Record published in the CVE List.

Published

Published: 2026-07-02
Last modified: 2026-07-02

Vendor information

Vendor: Ubiquiti
Product: UniFi Talk Application

All Ubiquiti vulnerabilities

Score

8.1 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 33.0.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Improper Access Control

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 5.2.2
Fixed
5.2.2

Scoring System

CVSS v4.0

Not available

CVSS v3.1

8.1 High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).