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CVE-2026-54407

HIGH
8.6
CVSS Score
Published: July 2, 2026 at 02:49 PM UTC
Updated: October 25, 2026 at 09:10 PM UTC
2 products affected across 2 vendorsUnifi ProtectUnifi Protect

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Severity
HIGH8.6
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi Protect Application to bypass authentication in certain UniFi Protect Application API endpoints.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Unifi Protect· UI
95%
v < 7.1.83
Affected range stops below 7.1.83, so it looks safe — our inference, not a vendor statement
Unifi Protect· Ubiquiti
90%
v < 7.1.83
Affected range stops below 7.1.83, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

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

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.6HIGHhackerone
Vector?

Quick Info

StatusANALYZED
CWE
CWE-284

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