Medium severity5.8NVD Advisory· Published Aug 13, 2026· Updated Oct 23, 2026
CVE-2026-73606
CVE-2026-73606
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/siyuan-note/siyuan/kernelGo | < 0.0.0-20260812083335-251596fc0de2 | 0.0.0-20260812083335-251596fc0de2 |
Affected products
1- Range: <v3.7.4
Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-vg99-7gj7-2fr5ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-73606ghsaADVISORY
- github.com/siyuan-note/siyuan/releases/tag/v3.8.0ghsaWEB
- github.com/siyuan-note/siyuan/security/advisories/GHSA-vg99-7gj7-2fr5nvdWEB
- www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-getrefidsnvdWEB
News mentions
1- Siyuan Note: 25 Vulnerabilities Including RCE and Auth Bypass Disclosed TogetherVypr Intelligence · Aug 15, 2026