CVE-2026-73606
SiYuan before v3.7.4 Information Disclosure via getRefIDs
- State
- Published
- Severity
- 6.9 Medium
- Published
- Aug 13, 2026
- Updated
- Aug 14, 2026
- Reserved
- Aug 13, 2026
Description
SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the /api/block/getRefIDs endpoint that fails to check password-protected document tiers. Unauthenticated readers can discover that password-protected documents reference specific blocks and obtain block identifiers without entering the document password.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N | VulnCheck |
| 3.1 | 5.8 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N | VulnCheck |
Weaknesses
- CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products
| Product | Versions |
|---|---|
siyuansiyuan-note |
|
References
- GitHub Security Advisory (GHSA-vg99-7gj7-2fr5)vendor-advisory
- VulnCheck Advisory: SiYuan before v3.7.4 Information Disclosure via getRefIDsthird-party-advisory
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