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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-30857",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-03-05T21:27:35.342Z",
"datePublished": "2026-03-07T16:33:45.566Z",
"dateUpdated": "2026-03-09T18:24:26.835Z"
},
"containers": {
"cna": {
"title": "WeKnora: Unauthorized Cross‑Tenant Knowledge Base Cloning",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-639",
"lang": "en",
"description": "CWE-639: Authorization Bypass Through User-Controlled Key",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/Tencent/WeKnora/security/advisories/GHSA-8rf9-c59g-f82f",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/Tencent/WeKnora/security/advisories/GHSA-8rf9-c59g-f82f"
}
],
"affected": [
{
"vendor": "Tencent",
"product": "WeKnora",
"versions": [
{
"version": "< 0.3.0",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-03-07T16:33:45.566Z"
},
"descriptions": [
{
"lang": "en",
"value": "WeKnora is an LLM-powered framework designed for deep document understanding and semantic retrieval. Prior to version 0.3.0, a cross-tenant authorization bypass in the knowledge base copy endpoint allows any authenticated user to clone (duplicate) another tenant’s knowledge base into their own tenant by knowing/guessing the source knowledge base ID. This enables bulk data exfiltration (document/FAQ content) across tenants. This issue has been patched in version 0.3.0."
}
],
"source": {
"advisory": "GHSA-8rf9-c59g-f82f",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-03-09T17:52:20.654301Z",
"id": "CVE-2026-30857",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-03-09T18:24:26.835Z"
}
}
]
}
}