CVE-2026-72792: Incorrect Authorization in siyuan-note siyuan
SiYuan before v3.7.4 contains an information disclosure vulnerability in the /api/tag/getTag endpoint that returns tag labels and occurrence counts from password-protected documents to unauthenticated readers. Attackers can enumerate tag vocabulary and internal terminology from password-protected documents by calling the tag endpoint without providing the document's publish password.
AI Analysis
Technical Summary
CVE-2026-72792 describes an incorrect authorization vulnerability in SiYuan note-taking software prior to version 3.7.4. The /api/tag/getTag endpoint improperly exposes tag labels and their occurrence counts from password-protected documents to unauthenticated users. This allows attackers to enumerate tags and internal terminology without needing the document's publish password, leading to partial information disclosure.
Potential Impact
Attackers can gain unauthorized access to metadata (tag labels and counts) from password-protected documents, potentially revealing sensitive internal terminology or organizational vocabulary. However, the vulnerability does not disclose document content itself, limiting the impact to information disclosure of tags only.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch is referenced, users should monitor vendor communications for updates. Until a fix is available, restricting access to the affected endpoint or implementing additional access controls may reduce exposure.
CVE-2026-72792: Incorrect Authorization in siyuan-note siyuan
Description
SiYuan before v3.7.4 contains an information disclosure vulnerability in the /api/tag/getTag endpoint that returns tag labels and occurrence counts from password-protected documents to unauthenticated readers. Attackers can enumerate tag vocabulary and internal terminology from password-protected documents by calling the tag endpoint without providing the document's publish password.
CVSS v4.0
Score 6.9medium
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-72792 describes an incorrect authorization vulnerability in SiYuan note-taking software prior to version 3.7.4. The /api/tag/getTag endpoint improperly exposes tag labels and their occurrence counts from password-protected documents to unauthenticated users. This allows attackers to enumerate tags and internal terminology without needing the document's publish password, leading to partial information disclosure.
Potential Impact
Attackers can gain unauthorized access to metadata (tag labels and counts) from password-protected documents, potentially revealing sensitive internal terminology or organizational vocabulary. However, the vulnerability does not disclose document content itself, limiting the impact to information disclosure of tags only.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch is referenced, users should monitor vendor communications for updates. Until a fix is available, restricting access to the affected endpoint or implementing additional access controls may reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-08-10T15:11:03.189Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7cc908bf8831d53907720d
Added to database: 08/12/2026, 19:27:04 UTC
Last enriched: 08/12/2026, 19:57:18 UTC
Last updated: 08/12/2026, 21:27:32 UTC
Views: 4
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