CVE-2026-72803
6.9
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
Summary
SiYuan versions before v3.7.4 fail to enforce publish-access checks in the getBlockAttrs and batchGetBlockAttrs endpoints. Attackers can retrieve block attributes including names, aliases, memos, and custom fields from protected documents by sending POST requests with block IDs.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| siyuan-note | siyuan | 0 < 3.7.4 | affected |
| siyuan-note | siyuan | 3.7.4 | unaffected |
Weaknesses
- CWE-862: Missing Authorization
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: yes
- Technical Impact: partial
Additional References
References
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-qvq9-hq6p-v378
- https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-getblockattrs
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