CVE-2026-34908
Summary
| CVE | CVE-2026-34908 |
|---|---|
| State | PUBLISHED |
| Assigner | hackerone |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-05-22 02:16:34 UTC |
| Updated | 2026-05-22 02:16:34 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v3.1 10 CRITICAL from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS: 0.000190000 probability, percentile 0.057100000 (date 2026-05-28)
Problem Types: CWE-284 | CWE-284 CWE-284 Improper Access Control - Generic
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 10 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| 3.1 | CNA | DECLARED | 10 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
ChangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Ubiquiti Inc | UniFi OS Server | affected 5.0.8 semver | Not specified |
| CNA | Ubiquiti Inc | UDM | affected 5.1.12 semver | Not specified |
| CNA | Ubiquiti Inc | UDM-Pro | affected 5.1.12 semver | Not specified |
| CNA | Ubiquiti Inc | UDM-SE | affected 5.1.12 semver | Not specified |
| CNA | Ubiquiti Inc | UDM-Pro-Max | affected 5.1.12 semver | Not specified |
| CNA | Ubiquiti Inc | UDM-Beast | affected 5.1.11 semver | Not specified |
| CNA | Ubiquiti Inc | EFG | affected 5.1.12 semver | Not specified |
| CNA | Ubiquiti Inc | UDW | affected 5.1.12 semver | Not specified |
| CNA | Ubiquiti Inc | UDR | affected 5.1.12 semver | Not specified |
| CNA | Ubiquiti Inc | UDR7 | affected 5.1.12 semver | Not specified |
| CNA | Ubiquiti Inc | UDR-5G | affected 5.1.12 semver | Not specified |
| CNA | Ubiquiti Inc | Express 7 | affected 5.1.12 semver | Not specified |
| CNA | Ubiquiti Inc | UNVR | affected 5.1.12 semver | Not specified |
| CNA | Ubiquiti Inc | UNVR-Pro | affected 5.1.12 semver | Not specified |
| CNA | Ubiquiti Inc | UNVR-Instant | affected 5.1.12 semver | Not specified |
| CNA | Ubiquiti Inc | UNVR-G2 | affected 5.1.12 semver | Not specified |
| CNA | Ubiquiti Inc | UNVR-G2-Pro | affected 5.1.12 semver | Not specified |
| CNA | Ubiquiti Inc | ENVR | affected 5.1.12 semver | Not specified |
| CNA | Ubiquiti Inc | ENVR-Core | affected 5.1.12 semver | Not specified |
| CNA | Ubiquiti Inc | UNAS-2 | affected 5.1.10 semver | Not specified |
| CNA | Ubiquiti Inc | UNAS-4 | affected 5.1.10 semver | Not specified |
| CNA | Ubiquiti Inc | UNAS-Pro | affected 5.1.10 semver | Not specified |
| CNA | Ubiquiti Inc | UNAS-Pro-4 | affected 5.1.10 semver | Not specified |
| CNA | Ubiquiti Inc | UNAS-Pro-8 | affected 5.1.10 semver | Not specified |
| CNA | Ubiquiti Inc | UCKP | affected 5.1.12 semver | Not specified |
| CNA | Ubiquiti Inc | UCK | affected 5.1.12 semver | Not specified |
| CNA | Ubiquiti Inc | UCK-Enterprise | affected 5.1.12 semver | Not specified |
| CNA | Ubiquiti Inc | UCG-Ultra | affected 5.1.12 semver | Not specified |
| CNA | Ubiquiti Inc | UCG-Max | affected 5.1.12 semver | Not specified |
| CNA | Ubiquiti Inc | UCG-Fiber | affected 5.1.12 semver | Not specified |
| CNA | Ubiquiti Inc | UCG-Industrial | affected 5.1.12 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| community.ui.com/releases/Security-Advisory-Bulletin-064-064/84811c09-4cf4-42a... | [email protected] | community.ui.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.