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CVE-2026-87809

🗓️ 09 Sep 2026 11:20:58Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 26 Views🌐 WEB

Siyuan before v3.8.2 information disclosure via export preview leaking private embedded blocks.

Related
Detection
Affected
Refs
Paths
Vulners
CNA
Node
siyuan-notesiyuanRange0–3.8.2
[
  {
    "vendor": "siyuan-note",
    "product": "siyuan",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:golang/github.com/siyuan-note/siyuan",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "3.8.2"
      },
      {
        "version": "3.8.2",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
embed_querynested/api/export/previewMissing publish-access filtering when rendering embedded blocks in export/preview allows readers to retrieve private/hidden/publish-disabled blocks via embed queries in public documents.CWE-639
embed_querynested/api/lute/copyStdMarkdownMissing publish-access filtering when rendering embedded blocks in lute/copyStdMarkdown allows readers to retrieve private/hidden/publish-disabled blocks via embed queries in public documents.CWE-639

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18 Sep 2026 18:17Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.16.5
CVSS 47.1
EPSS0.00354
SSVC
26