CVE-2026-55115 Ui CVE debrief

Who should care

Administrators and users of UniFi Protect Application should be aware of this vulnerability and take necessary actions to mitigate it. This vulnerability can be exploited by a malicious actor with access to the network and low privileges, making it a high-risk vulnerability.

Technical summary

The vulnerability is a Server-Side Request Forgery (SSRF) in UniFi Protect Application. This type of vulnerability allows an attacker to manipulate the server into making unintended requests, which can lead to privilege escalation. The vulnerability has a CVSS vector of CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H, indicating that it can be exploited over the network with low privileges, and can lead to high impact on confidentiality, integrity, and availability.

Defensive priority

High

Recommended defensive actions

• Apply the patch or update to the latest version of UniFi Protect Application
• Restrict access to the network and implement additional security controls
• Monitor the system for suspicious activity
• Implement compensating controls, such as web application firewalls
• Conduct regular vulnerability assessments and penetration testing

Evidence notes

The vulnerability was reported by [email protected] and is described in the NVD entry. The CVE record was published on 2026-07-02T15:17:05.513Z and was last modified on 2026-07-07T16:36:26.370Z. The NVD entry is currently Analyzed.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.