FKIE_CVE-2026-34911
Vulnerability from fkie_nvd - Published: 2026-05-22 02:16 - Updated: 2026-06-17 10:39
Severity
Summary
A malicious actor with access to the network and low privileges could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the underlying system that could be manipulated to obtain sensitive information.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "UniFi OS Server",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.0.8",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "UDM",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.12",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "UDM-Pro",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.12",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "UDM-SE",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.12",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "UDM-Pro-Max",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.12",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "UDM-Beast",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.11",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "EFG",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.12",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "UDW",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.12",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "UDR",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.12",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "UDR7",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.12",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "UDR-5G",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.12",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Express 7",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.12",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "UNVR",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.12",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "UNVR-Pro",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.12",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "UNVR-Instant",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.12",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "UNVR-G2",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.12",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "UNVR-G2-Pro",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.12",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "ENVR",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.12",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "ENVR-Core",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.12",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "UNAS-2",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.10",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "UNAS-4",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.10",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "UNAS-Pro",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.10",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "UNAS-Pro-4",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.10",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "UNAS-Pro-8",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.10",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "UCKP",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.12",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "UCK",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.12",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "UCK-Enterprise",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.12",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "UCG-Ultra",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.12",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "UCG-Max",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.12",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "UCG-Fiber",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.12",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "UCG-Industrial",
"vendor": "Ubiquiti Inc",
"versions": [
{
"lessThan": "5.1.12",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"source": "support@hackerone.com"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A malicious actor with access to the network and low privileges could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the underlying system that could be manipulated to obtain sensitive information."
}
],
"id": "CVE-2026-34911",
"lastModified": "2026-06-17T10:39:49.597",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.7,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 3.1,
"impactScore": 4.0,
"source": "support@hackerone.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-34911",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-05-22T12:37:38.876728Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-05-22T02:16:34.667",
"references": [
{
"source": "support@hackerone.com",
"url": "https://community.ui.com/releases/Security-Advisory-Bulletin-064-064/84811c09-4cf4-42ab-bd61-cc994445963b"
}
],
"sourceIdentifier": "support@hackerone.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-22"
}
],
"source": "support@hackerone.com",
"type": "Secondary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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