CVE-2026-72803
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.
- CVSS 4.0
- 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 - CVSS 3.1
- 5.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N - EPSS
- 0.3% chance of exploitation in the next 30 days; higher than 22% of CVEs (scores of 2026-10-25)
- CWE
- CWE-862
- Published
- Modified
- Record from
- the NVD, synced
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-qvq9-hq6p-v378 | Go | github.com/siyuan-note/siyuan/kernel | <0.0.0-20260724093256-229fdffd7e4a | 0.0.0-20260724093256-229fdffd7e4a |
| GO-2026-6404 | Go | github.com/siyuan-note/siyuan/kernel | <0.0.0-20260724093256-229fdffd7e4a | 0.0.0-20260724093256-229fdffd7e4a |