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CVE-2026-93921 SiYuan through 3.8.4 Access Control Bypass via Dynamic Icon Endpoint

🗓️ 18 Sep 2026 23:12:07Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 11 Views

SiYuan versions through 3.8.4 fail to enforce publish access control in the getDynamicIcon endpoint, allowing read-only token holders to access document metadata. Attackers can call the endpoint with type=8 and crafted content to read block titles...

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Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-93921
18 Sep 202623:12
cve
euvd
EUVD
EUVD-2026-83457
19 Sep 202600:32
euvd
nvd
NVD
CVE-2026-93921
19 Sep 202600:16
nvd
[
  {
    "vendor": "siyuan-note",
    "product": "siyuan",
    "packageName": "github.com/siyuan-note/siyuan/kernel",
    "collectionURL": "https://pkg.go.dev",
    "packageURL": "pkg:golang/github.com/siyuan-note/siyuan/kernel",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThanOrEqual": "3.8.4",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  }
]

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18 Sep 2026 23:12Current
CVSS 3.14.3
CVSS 45.3
11