Ubiquiti UniFi Talk Application up to 5.2.1 Talk API Endpoint server-side request forgery

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.68

Summaryinfo

A vulnerability was found in Ubiquiti UniFi Talk Application up to 5.2.1. It has been declared as critical. This issue affects some unknown processing of the component Talk API Endpoint. Such manipulation leads to server-side request forgery. This vulnerability is uniquely identified as CVE-2026-55113. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Ubiquiti UniFi Talk Application up to 5.2.1 and classified as critical. Affected by this issue is some unknown processing of the component Talk API Endpoint. The manipulation with an unknown input leads to a server-side request forgery vulnerability. Using CWE to declare the problem leads to CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A malicious actor with access to the network could exploit a Server-Side Request Forgery (SSRF) vulnerability found in UniFi Talk Application to execute a Denial of Service (DoS) attack and bypass authentication in certain UniFi Talk API endpoints.

The advisory is available at community.ui.com. This vulnerability is handled as CVE-2026-55113 since 06/16/2026. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

Upgrading to version 5.2.2 eliminates this vulnerability. The upgrade is hosted for download at community.ui.com.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (hackerone): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: UniFi Talk Application 5.2.2

Timelineinfo

06/16/2026 CVE reserved
07/02/2026 +16 days Advisory disclosed
07/02/2026 +0 days VulDB entry created
07/02/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: community.ui.com
Status: Confirmed

CVE: CVE-2026-55113 (🔒)
GCVE (CVE): GCVE-0-2026-55113
GCVE (VulDB): GCVE-100-375962

Entryinfo

Created: 07/02/2026 17:42
Changes: 07/02/2026 17:42 (65)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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