CVE-2026-23850
SiYuan is a personal knowledge management system. In versions prior to 3.5.4, the markdown feature allows unrestricted server side html-rendering which allows arbitrary file read (LFD). Version 3.5.4 fixes the issue.
| Software | From | Fixed in |
|---|---|---|
| b3log / siyuan | - | 3.5.4 |
- https://github.com/siyuan-note/siyuan/blob/master/kernel/model/file.go#L1035
- https://github.com/siyuan-note/siyuan/blob/v3.4.2/kernel/api/filetree.go#L799-L886
- https://github.com/siyuan-note/siyuan/commit/b2274baba2e11c8cf8901b0c5c871e5b27f1f6dd
- https://github.com/siyuan-note/siyuan/commit/f8f4b517077b92c90c0d7b51ac11be1b34b273ad
- https://github.com/siyuan-note/siyuan/issues/16860
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-cv54-7wv7-qxcw
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