CVE-2026-103762
SiYuan before v3.8.5 Missing Authorization in Save-Path Resolver Endpoints
- State
- Published
- Severity
- 6.9 Medium
- Published
- Oct 2, 2026
- Updated
- Oct 6, 2026
- Reserved
- Oct 1, 2026
Description
SiYuan before v3.8.5 contains a missing authorization vulnerability in the getRefCreateSavePath, getShorthandSavePath, and getDocCreateSavePath endpoints that allows read-only publish visitors to learn unpublished notebook box IDs. Attackers with read-only or anonymous publish access can POST any open notebook ID to receive the global save-box ID and save-path template, revealing a hidden notebook's existence and creation time.
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:N/SI:N/SA:N | VulnCheck |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | VulnCheck |
Weaknesses
- CWE-862 Missing Authorization
Affected Products
| Product | Versions |
|---|---|
siyuansiyuan-note |
|
References
- GitHub Security Advisory (GHSA-2mrf-mx66-vv6g)vendor-advisory
- VulnCheck Advisory: SiYuan before v3.8.5 Missing Authorization in Save-Path Resolver Endpointsthird-party-advisory
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