CVE-2026-93921
4.3 MEDIUMpublic exploit availablePublished 2026-09-19 · Updated 2026-09-21
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weaknesses
CWE-862
Public exploit & PoC references
- 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
- https://github.com/siyuan-note/siyuan/blob/v3.8.4/kernel/model/template.go#L485-L526
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-whcx-xxqh-c838
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-whcx-xxqh-c838
All references
- 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
- https://github.com/siyuan-note/siyuan/blob/v3.8.4/kernel/model/template.go#L485-L526
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-whcx-xxqh-c838
- https://www.vulncheck.com/advisories/siyuan-through-3.8.4-access-control-bypass-via-dynamic-icon-endpoint
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-whcx-xxqh-c838
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
Related CVEs
- MEDIUMCVE-2025-14484
- MEDIUMCVE-2025-14486
- MEDIUMCVE-2025-14487
- UNSCOREDCVE-2026-100240
- MEDIUMCVE-2026-100287
- MEDIUMCVE-2026-100289
- MEDIUMCVE-2026-100303PoC
- MEDIUMCVE-2026-100305PoC
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