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GHSA-M2R4-JQ7J-HCHX
Vulnerability from github – Published: 2026-05-22 03:30 – Updated: 2026-05-22 03:30
VLAI?
Details
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.
Severity ?
7.7 (High)
{
"affected": [],
"aliases": [
"CVE-2026-34911"
],
"database_specific": {
"cwe_ids": [
"CWE-22"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-05-22T02:16:34Z",
"severity": "HIGH"
},
"details": "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": "GHSA-m2r4-jq7j-hchx",
"modified": "2026-05-22T03:30:26Z",
"published": "2026-05-22T03:30:26Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34911"
},
{
"type": "WEB",
"url": "https://community.ui.com/releases/Security-Advisory-Bulletin-064-064/84811c09-4cf4-42ab-bd61-cc994445963b"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
CVE-2026-34911 (GCVE-0-2026-34911)
Vulnerability from cvelistv5 – Published: 2026-05-22 00:43 – Updated: 2026-05-22 12:37
VLAI?
EPSS
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.
Severity ?
7.7 (High)
CWE
- CWE-22 - Path Traversal
Assigner
References
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ubiquiti Inc | UniFi OS Server |
Affected:
0 , < 5.0.8
(semver)
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-34911",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-05-22T12:37:38.876728Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-05-22T12:37:48.894Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"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": [
{
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}
]
},
{
"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"
}
]
},
{
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"product": "UCG-Max",
"vendor": "Ubiquiti Inc",
"versions": [
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"lessThan": "5.1.12",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
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"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"
}
]
}
],
"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."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.7,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
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}
}
],
"problemTypes": [
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"description": "CWE-22 Path Traversal",
"lang": "en",
"type": "CWE"
}
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}
],
"providerMetadata": {
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"shortName": "hackerone"
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}
]
}
},
"cveMetadata": {
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"cveId": "CVE-2026-34911",
"datePublished": "2026-05-22T00:43:49.189Z",
"dateReserved": "2026-03-31T15:00:06.521Z",
"dateUpdated": "2026-05-22T12:37:48.894Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
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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