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Ubiquiti released Security Advisory Bulletin 065 to address five vulnerabilities in UniFi OS, including critical path traversal (CVE-2026-47368), privilege escalation (CVE-2026-47369), and command injection (CVE-2026-47370) flaws that affect a wide range of consoles, gateways, servers, NVRs, NAS devices, Dream Machines, Cloud Keys, and Express products. The advisory says a network-adjacent attacker could abuse the bugs to read arbitrary files, escalate privileges, execute commands, and in some cases make unauthorized configuration changes through CVE-2026-48610, with several issues rated as high as CVSS 9.9.
Ubiquiti warned that the vulnerabilities can be chained, allowing attackers to remove privilege requirements and potentially reach full device compromise, echoing broader concern over repeated severe UniFi OS weaknesses. Firmware updates were issued with fixes in UniFi OS 5.1.15 for most affected families, 5.1.16 for UNAS devices, and 4.0.15 for Express appliances; security reporting around the bulletin also urged organizations to patch all listed CVEs together and treat previously exposed, unpatched management interfaces as potentially compromised.
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Ubiquiti released patches for the Bulletin 065 vulnerabilities on June 10, 2026. Most affected UniFi OS families were fixed in version 5.1.15, with UNAS devices requiring 5.1.16 and Express devices 4.0.15.
Ubiquiti disclosed Security Advisory Bulletin 065 covering five vulnerabilities in UniFi OS, including CVE-2026-47368, CVE-2026-47369, CVE-2026-47370, and CVE-2026-48610. The bulletin warned that some of the flaws could be chained to increase impact up to full device compromise.
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Ubiquiti released security updates for **UniFi OS** to fix five vulnerabilities affecting widely deployed products including **UniFi Cloud Gateway, UniFi Dream Machine, UNVR, NAS devices, consoles, and UniFi OS Server**. Three flaws—`CVE-2026-34908`, `CVE-2026-34909`, and `CVE-2026-34910`—were rated **CVSS 10.0** and could be exploited by remote, unauthenticated attackers to change system settings, read sensitive files through path traversal, or trigger command injection that could lead to remote code execution. Two additional issues, `CVE-2026-33000` and `CVE-2026-34911`, could also enable command injection, path traversal, privilege escalation, persistence, and data theft under certain conditions. The vulnerabilities were reported through **HackerOne**, and Ubiquiti said they can be exploited with low complexity, although it did not say whether they had been abused before patches were issued. Government and national CERT advisories, including Canada’s Cyber Centre and Germany’s dCERT, directed administrators to review Ubiquiti bulletin 064 and apply updated firmware and software versions immediately. The risk is amplified by the large number of Internet-exposed UniFi OS systems—reportedly close to **100,000**—because these appliances often sit at the network edge and can provide attackers with a path into internal environments if management interfaces are publicly reachable.
Jun 29, 2026
Ubiquiti released **Security Advisory Bulletin 064** to fix five vulnerabilities in **UniFi OS**, including three **unauthenticated remote code execution** flaws tracked as `CVE-2026-34908`, `CVE-2026-34909`, and `CVE-2026-34910`, each described by community reporting as **CVSS 10.0** issues affecting a broad range of **UDM, UCG, and UNVR** devices. The advisory also addressed `CVE-2026-33000`, a **CVSS 9.1** command injection vulnerability in **UniFi OS Server** that can let an attacker with administrative privileges and network access execute arbitrary operating system commands and potentially gain **root-level control** over managed infrastructure. The command injection bug was reported through **HackerOne** by researcher **V3rlust**, and Ubiquiti said `UniFi OS Server 5.0.8` and later contain the fix, while `5.0.6` and earlier are confirmed vulnerable. Public reporting noted that roughly **87,196 exposed UniFi Network Application hosts** were visible from the internet, raising concern that the unauthenticated RCE flaws could be chained with the command injection issue to compromise internet-facing deployments; administrators were urged to update firmware immediately, restrict management-plane exposure, and verify patch status across deployed systems.
Jul 10, 2026
Ubiquiti has disclosed 25 vulnerabilities across its UniFi ecosystem in Security Advisory Bulletin 066, affecting **UniFi Connect, Talk, Access, Protect, Network Application, Protect Floodlight, and UniFi OS** on UDM, UNVR, and UNAS devices. The most severe issue, `CVE-2026-50746`, carries a **CVSS 10.0** rating and allows unauthenticated network-adjacent command injection in UniFi Connect, while several other flaws rated **9.9** can enable privilege escalation or full device compromise in UniFi Talk, UniFi Access, UniFi OS, and UniFi Protect. Ubiquiti also warned that `CVE-2026-54403` in UniFi OS can be chained with other bugs to bypass low-privilege requirements, increasing the risk of broader compromise. The disclosure aligns with broader Q2 2026 vulnerability trends showing attackers concentrating on **internet-facing access points** such as firewalls, VPNs, enterprise management panels, and authentication portals. AhnLab’s quarterly report highlighted UniFi OS among major enterprise-facing products affected during the quarter and noted that critical vulnerabilities and actively exploited flaws continued to rise, with **75 new entries** added to CISA’s Known Exploited Vulnerabilities catalog. Ubiquiti has released patched versions for all affected products and said **no interim workarounds are available**, making immediate patching and tighter protection of exposed administrative interfaces the primary defenses.
Jul 12, 2026