[CVE-2026-93921] SiYuan versions through 3.8.4 fail to enforce publish access

CVE-2026-93921 | CVSS: 4.3 | 严重级别: MEDIUM

SiYuan versions through 3.8.4 fail to enforce publish access control in the getDynamicIcon endpoint, allowing read-only token holders to access document metadata. Attackers can call the endpoint with type=8 and crafted content to read block titles, names, aliases, and hierarchical paths of restricted documents via template injection.

参考链接:
• https://github.com/siyuan-note/siyuan
• https://github.com/siyuan-note/siyuan/blob/v3.8.4/kernel/api/icon.go#L546-L549
• https://github.com/siyuan-note/siyuan/blob/v3.8.4/kernel/api/router.go#L51

📌 数据来源: NVD 官方

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