CVE-2026-72804

SiYuan before v3.7.4 Authentication Bypass via Graph Endpoints

State
Published
Severity
9.2 Critical
Published
Aug 12, 2026
Updated
Aug 14, 2026
Reserved
Aug 10, 2026

Read the record on cve.org

Description

SiYuan versions before v3.7.4 fail to validate publish-password tier in getGraph and getLocalGraph endpoints, allowing anonymous readers to retrieve block-level content of password-protected documents. Attackers can call these endpoints without supplying a password to read protected document content and the complete reference topology.

Scores

CVSSScoreVectorSource
4.09.2 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:NVulnCheck
3.18.6 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:NVulnCheck

Weaknesses

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

Affected Products

ProductVersions
siyuansiyuan-note
  • before 3.7.4Affected
  • 3.7.4Not affected

References

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