# CVE-2026-50747: Ubiquiti UniFi Talk SQL injection privilege escalation

Source: https://junglewise.ai/threats/cve-2026-50747-ubiquiti-unifi-talk-sql-injection-privilege-escalation  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-02. Updated: 2026-07-02  
License: CC BY 4.0 with a link back

CVE-2026-50747 · Severity: critical · CVSS 9.9 · Published 2026-07-02

Ubiquiti UniFi Talk is a business communication application used for managing VoIP phone systems. A security vulnerability allows an attacker with low-level access to the network to gain full administrative control over the host device. This could lead to the theft of sensitive communication data, disruption of phone services, or further unauthorized access to the corporate network.

Technologies: [Ubiquiti UniFi Talk Application](https://junglewise.ai/threats/technologies/unifi-talk-application). Vendors: [Ubiquiti](https://junglewise.ai/threats/vendors/ubiquiti).

## Quick answers

**Is CVE-2026-50747 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-50747 being exploited in the wild.

**How severe is CVE-2026-50747?** Critical severity, with a CVSS score of 9.9, published 2 July 2026.

**Which products and versions are affected?** Ubiquiti UniFi Talk Application < 5.2.2.

**Is there a fix for CVE-2026-50747?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-50747 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-50747?** Check whether you run Ubiquiti UniFi Talk Application at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The UniFi Talk Application is vulnerable to multiple authenticated SQL injection flaws (CWE-89). An attacker with valid low-privileged credentials can send specially crafted network requests to the application to execute arbitrary SQL commands. This vulnerability allows for privilege escalation from a standard user to a system administrator on the underlying host device. The issue is fixed in UniFi Talk Application version 5.2.2 and later. The exploit requires network connectivity and valid low-privilege authentication but no user interaction.

## Affected products

- Ubiquiti Inc UniFi Talk Application < 5.2.2

## Timeline

- 2026-07-02: disclosed
- 2026-07-02: advisory

## References

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

## Related threats

- [Ubiquiti UniFi Talk privilege escalation via improper access control](https://junglewise.ai/threats/cve-2026-55119-ubiquiti-unifi-talk-privilege-escalation-via-improper-access)
- [Ubiquiti UniFi Talk SSRF and authentication bypass](https://junglewise.ai/threats/cve-2026-55113-ubiquiti-unifi-talk-ssrf-and-authentication-bypass)