medium4.3
CVE-2026-93921
SiYuan versions through 3.8.4 fail to enforce publish access control in the getDynamicIcon endpoint, allowing read-only token holders to access document metada…
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| SiYuan | through 3.8.4 |
Versions were read from the advisory text. No structured product data has been published for this record yet.
Weakness classification
References
- NVD record
- CVE.org record
- 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