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CVE-2026-54408 is a high-severity improper access control vulnerability in the UniFi Protect Application. The flaw allows a malicious actor with network access to bypass authentication protections for data streaming functionality. The issue affects UniFi Protect Application version 7.1.77 and earlier. Available information indicates the vulnerability stems from insufficient access control enforcement on data streaming functionality, enabling unauthenticated access to resources that should require authentication.
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What an attacker gets, and what they’ve been doing with it.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity improper access control vulnerability in UniFi Protect Application that enables authentication bypass affecting data streaming or API access.
An improper access control vulnerability in UniFi Protect Application that could allow a malicious actor with network access to bypass authentication for data streaming.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.