Ubiquiti UniFi Protect: Mehrere Schwachstellen
WID-SEC-2026-0014 · first 06.01.2026 · updated 26.02.2026 · CVSS 8,8
What it is about
UniFi ist Ubiquiti's End-to-End-Netzwerk-Ökosystem für Unternehmen und Smart Homes. Ein Angreifer kann mehrere Schwachstellen in Ubiquiti UniFi Protect ausnutzen, um Sicherheitsvorkehrungen zu umgehen, und um einen Denial of Service Angriff durchzuführen.
Under what conditions?
The BSI does not name any particular preconditions. Exploitable remotely according to the BSI.
What can happen in the worst case
An attacker could use the vulnerability to
- Sicherheitsvorkehrungen zu umgehen
- einen Denial of Service Angriff durchzuführen
Am I affected?
Affected according to the BSI:
- Ubiquiti UniFi Protect Application <6.2.72
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Ubiquiti UniFi Protect Application 6.2.72
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
CVE: CVE-2026-21633, CVE-2026-21634
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.