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CVE-2026-55112 is an improper access control vulnerability in Ubiquiti UniFi OS when configured with the UniFi Protect Application. According to the provided advisory context, a remote attacker with network access and only low privileges can, under certain conditions, exploit insufficient access restrictions to escalate privileges on the host device. The issue affects UniFi OS / Server 5.1.15 and earlier, and the mention context indicates patched versions are available in 5.1.19 and later. No specific vulnerable endpoint, function, or code path is identified in the provided material.
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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.
8 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.