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CVE-2026-55112 is an improper access control vulnerability in Ubiquiti UniFi OS when configured with the UniFi Protect Application. Under certain conditions, a remote attacker with network access and only low privileges can exploit insufficient authorization controls to escalate privileges on the host device. The issue affects UniFi OS deployments that include UniFi Protect and was reported as affecting UniFi OS version 5.1.15 and earlier, with fixes available in later releases. The available information identifies the flaw as an access control weakness but does not provide public detail about the specific vulnerable component, endpoint, or function involved.
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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.
10 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 Ubiquiti UniFi OS that can allow privilege escalation on the host device when UniFi Protect is enabled.
A high-severity improper access control vulnerability affecting UniFi OS and Protect on UDM-Pro and related devices.
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.