CVE records

Every CVE as the CVE Program publishes it, refreshed every ten minutes, with NVD's analysis, CISA's known-exploited status and a healthcare tag. Subscribers get the CVEs that match their own systems on My program, by email as they are published. Where the data comes from: sources.

Updated under an hour ago (2026-10-19 09:23 UTC)

What this means for you

This week: 5,436 CVEs published, 355 critical, and 7 newly confirmed exploited. Add your stack to see whether any of them hit you.

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This week's critical CVEs

Exploited in the last 30 days

Published in the last 7 days: 5,436; Show in the list
Critical, last 7 days: 355; Show in the list
Healthcare-tagged, last 7 days: 4; Show in the list
Known exploited (CISA KEV): 1,747; Show in the list

Showing CVEs that name the product ubiquiti:unifi_os_server. Show all products

10 CVEs, showing 1 to 10

CVE	Severity	Title	Published
CVE-2026-34909 Known exploited	Critical 10.0	A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the underlying system that could be manipulated to access an und… Assigned by hackerone	May 22, 2026
CVE-2026-34908 Known exploited	Critical 10.0	A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi OS devices to make unauthorized changes to the system. Assigned by hackerone	May 22, 2026
CVE-2026-34910 Known exploited	Critical 10.0	A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS devices to execute a Command Injection. Assigned by hackerone	May 22, 2026
CVE-2026-77534	Critical 9.9	A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability found in certain devices running UniFi OS to escalate privileges within such Uni… Assigned by Ubiquiti	Aug 26, 2026
CVE-2026-77536	Critical 9.9	A malicious actor with access to the network and low privileges could exploit an Improper Access Control vulnerability found in certain devices running UniFi OS to escalate privileges within such Uni… Assigned by Ubiquiti	Aug 26, 2026
CVE-2026-77539	Critical 9.1	A malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerability found in UniFi OS Server to execute a Command Injection on the host device. Assigned by Ubiquiti	Aug 26, 2026
CVE-2026-77540	Critical 9.1	A malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerability found in UniFi OS Server to execute a Command Injection on the host device. Assigned by Ubiquiti	Aug 26, 2026
CVE-2026-77545	Critical 9.0	A malicious actor with access to the network, low privileges and under certain conditions could exploit an Active Debug Code vulnerability found in certain devices running UniFi OS to escalate privil… Assigned by Ubiquiti	Aug 26, 2026
CVE-2026-77549	Critical 9.0	A malicious actor with access to the network and under certain conditions could exploit an Improper Neutralization of CRLF Sequences vulnerability found in certain devices running UniFi OS to bypass… Assigned by Ubiquiti	Aug 26, 2026
CVE-2026-77550	Critical 10.0	A malicious actor with access to the network could exploit an Improper Neutralization of CRLF Sequences vulnerability found in certain devices running UniFi OS to bypass authentication to such UniFi… Assigned by Ubiquiti	Aug 26, 2026

CVSS is the assigning CNA's score where it gives one, otherwise NVD's. The healthcare tag is a documented heuristic (a list of clinical and health IT vendors, and clinical terms in the description), not a classification. The CVE record is authoritative.