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CVE-2026-77545 is an active debug code vulnerability in certain Ubiquiti UniFi OS devices and UniFi OS Server instances. A network-accessible attacker holding low privileges can, under unspecified conditions, abuse the active debug functionality to escalate privileges within the affected UniFi OS system. The vulnerability is rated Critical with a CVSS v3.1 base score of 9.0.
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No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Critical privilege-escalation vulnerability in Ubiquiti UniFi OS devices and instances.
An Active Debug Code vulnerability in certain devices running UniFi OS that could allow a network-accessible attacker with low privileges, under certain conditions, to escalate privileges within the affected UniFi OS device or instance.
Privilege-escalation vulnerability in UniFi OS due to active debug code.
A critical Active Debug Code vulnerability in certain devices running UniFi OS that could allow a network-accessible, low-privileged attacker to escalate privileges under certain conditions.
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.