Kiteworks is a private data network (PDN). Prior to version 9.2.0, a vulnerability in Kiteworks configuration allows uploading of arbitrary files without proper validation. Malicious administrators could exploit this to upload unauthorized file types to the system. Version 9.2.0 contains a patch for the issue.
PUBLISHED5.2CWE-434
Kiteworks Core has an Unrestricted Upload of File with Dangerous Type
Problem type
Affected products
kiteworks
security-advisories
< 9.2.0 - AFFECTED
References
JSON source
https://cveawg.mitre.org/api/cve/CVE-2026-28270Click to expand
{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-28270",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"dateUpdated": "2026-02-27T20:19:54.611Z",
"dateReserved": "2026-02-26T01:52:58.733Z",
"datePublished": "2026-02-27T20:19:54.611Z",
"state": "PUBLISHED"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-02-27T20:19:54.611Z"
},
"title": "Kiteworks Core has an Unrestricted Upload of File with Dangerous Type",
"descriptions": [
{
"lang": "en",
"value": "Kiteworks is a private data network (PDN). Prior to version 9.2.0, a vulnerability in Kiteworks configuration allows uploading of arbitrary files without proper validation. Malicious administrators could exploit this to upload unauthorized file types to the system. Version 9.2.0 contains a patch for the issue."
}
],
"affected": [
{
"vendor": "kiteworks",
"product": "security-advisories",
"versions": [
{
"version": "< 9.2.0",
"status": "affected"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"description": "CWE-434: Unrestricted Upload of File with Dangerous Type",
"cweId": "CWE-434",
"type": "CWE"
}
]
}
],
"references": [
{
"url": "https://github.com/kiteworks/security-advisories/security/advisories/GHSA-v8x9-vwg6-cj45",
"name": "https://github.com/kiteworks/security-advisories/security/advisories/GHSA-v8x9-vwg6-cj45",
"tags": [
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]
}
],
"metrics": [
{
"cvssV3_1": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "HIGH",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"availabilityImpact": "NONE",
"baseScore": 4.9,
"baseSeverity": "MEDIUM"
}
}
]
}
}
}