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vuln-cve/data/2026/62xxx/CVE-2026-62204.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-62204",
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"state": "PUBLISHED",
"assignerShortName": "VulnCheck",
"dateReserved": "2026-07-13T16:39:22.250Z",
"datePublished": "2026-08-22T12:26:41.933Z",
"dateUpdated": "2026-08-26T17:53:20.106Z"
},
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"shortName": "VulnCheck",
"dateUpdated": "2026-08-22T12:26:41.933Z"
},
"datePublic": "2026-08-08T00:00:00.000Z",
"title": "SiYuan before v3.7.4 Plugin Overwrite via Bazaar Install",
"descriptions": [
{
"lang": "en",
"value": "SiYuan versions before v3.7.4 fail to validate that packageName matches the downloaded package content in bazaar install endpoints. Attackers with same-origin access can overwrite existing trusted plugins by supplying mismatched packageName and repoURL parameters, achieving persistence across application restarts."
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"description": "Insufficient Verification of Data Authenticity",
"cweId": "CWE-345",
"type": "CWE"
}
]
}
],
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{
"vendor": "siyuan-note",
"product": "siyuan",
"defaultStatus": "unaffected",
"packageURL": "pkg:golang/github.com/siyuan-note/siyuan",
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{
"version": "0",
"status": "affected",
"versionType": "semver",
"lessThan": "3.7.4"
},
{
"version": "3.7.4",
"status": "unaffected",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:b3log:siyuan:*:*:*:*:*:*:*:*",
"versionEndExcluding": "3.7.4"
}
]
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"attackComplexity": "HIGH",
"attackRequirements": "PRESENT",
"privilegesRequired": "LOW",
"userInteraction": "PASSIVE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "HIGH",
"vulnAvailabilityImpact": "LOW",
"subConfidentialityImpact": "LOW",
"subIntegrityImpact": "HIGH",
"subAvailabilityImpact": "LOW",
"baseScore": 5.9,
"baseSeverity": "MEDIUM"
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},
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"format": "CVSS",
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}
],
"references": [
{
"url": "https://github.com/siyuan-note/siyuan/security/advisories/GHSA-rpx2-p6hp-x5gj",
"tags": [
"vendor-advisory"
],
"name": "GitHub Security Advisory (GHSA-rpx2-p6hp-x5gj)"
},
{
"name": "VulnCheck Advisory: SiYuan before v3.7.4 Plugin Overwrite via Bazaar Install",
"tags": [
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],
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}
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"credits": [
{
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"value": "alham-rizvi",
"type": "reporter"
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"content": {
"timestamp": "2026-08-26T17:53:08.661591Z",
"id": "CVE-2026-62204",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
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}
],
"role": "CISA Coordinator",
"version": "2.0.3"
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],
"title": "CISA ADP Vulnrichment",
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"dateUpdated": "2026-08-26T17:53:20.106Z"
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]
}
}