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Medium

SiYuan before 3.8.5 Information Disclosure via /api/block/getDocInfo and getDocsInfo

Type: advisorySource: Official CVE List1 source record

SiYuan before 3.8.5 contains an information disclosure vulnerability that allows publish-mode readers to learn backlink block IDs and reference counts from password-protected and publish-disabled documents by querying a published document. Attackers can send POST requests to /api/block/getDocInfo or getDocsInfo for a published document ID to obtain refIDs and refCount of hidden referencing blocks, bypassing the publish confidentiality boundary.

Announced Group revision 1
Original source ↗

CVE-2026-105205

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-105205

siyuan

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "siyuan-note",
    "product": "siyuan",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "3.8.5",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "3.8.5",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-105205

Source reference: /cveMetadata/cveId

Publisher severity

medium

Source reference: /containers/cna/metrics

Event
#8611 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement