CVE-2026-33000

criticalpriority · track · 0EPSS 0.012 · 69 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.25% (69th) EPSS

CVSS 9.1 · critical

Is it mine?

5 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

A malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerability found in UniFi OS devices to execute a Command Injection.

cvss

Technical severity, 0–10. One row per scoring source.

9.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.3–9.1

v3.19.1criticalAV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:Hsecondary · support@hackerone.comexploitability 2.3 · impact 6

v3.18.3highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USCWE-20US

affected products (5)

Products and version ranges known to be affected.

Ubiquiti UniFi OS Server <5.0.8all versionscert_bundDE
Ubiquiti UniFi≤ OS Server <5.0.8cert_bundDE
Ubiquiti Inc UniFi OS Server0 → 5.0.8enisa_euvdEU
Ubiquiti Networks UniFi OS Server≤ 5.0.6fstec_bduRU
ui unifi os server< 5.0.8nvdUScpe:2.3:a:ui:unifi_os_server:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-1639Ubiquiti UniFi OS Server: Mehrere SchwachstellenDeutsch2026-05-21csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Ubiquiti UniFi OS Server ausnutzen, um beliebigen Programmcode auszuführen, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren oder vertrauliche Informationen offenzulegen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2026-05-22modified 2026-07-23

references (4)

External citations — patches, advisories, analysis.

scry

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