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Critical UniFi OS bug lets hackers gain root without authentication By Bill Toulas June 8, 2026 11:51 AM Attackers can chain three already fixed vulnerabilities in the Ubiquiti UniFi OS server to execute remote code with root privileges and without authentication. …
… On Thursday, Ubiquiti patched six more critical-severity security issues CVE-2026-50747, CVE-2026-50748, CVE-2026-54400, CVE-2026-54402, CVE-2026-55115, CVE-2026-55116 in the UniFi Talk, UniFi Access, and UniFi Protect applications, in the company's UniFi OS Server, and across a wide range of Ubiqu… …
… UniFi OS is a unified operating system that powers UniFi Consoles and helps manage IT infrastructure, including networking, security, and other services, as well as UniFi applications such as UniFi Network, UniFi Protect, UniFi Access, UniFi Talk, and UniFi Connect. …
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