Ubiquiti UniFi Network Application: Mehrere Schwachstellen ermöglichen Privilegieneskalation
WID-SEC-2026-0784 · first 19.03.2026 · updated 20.03.2026 · CVSS 10,0
What it is about
UniFi ist Ubiquiti's End-to-End-Netzwerk-Ökosystem für Unternehmen und Smart Homes. Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Ubiquiti UniFi Network Application ausnutzen, um seine Privilegien zu erhöhen.
Under what conditions?
Over the network and without logging in. This is the most dangerous combination: attackers can scan reachable devices automatically.
What can happen in the worst case
An attacker could use the vulnerability to
- seine Privilegien zu erhöhen
Am I affected?
Affected according to the BSI:
- Ubiquiti UniFi Network application <10.1.89
- Ubiquiti UniFi Network application <10.2.97
- Ubiquiti UniFi Express <4.0.13
- Ubiquiti UniFi Network application <9.0.118
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Ubiquiti UniFi Network application 10.1.89
- Ubiquiti UniFi Network application 10.2.97
- Ubiquiti UniFi Express 4.0.13
- Ubiquiti UniFi Network application 9.0.118
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-2026-22557, CVE-2026-22558
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.