High severity7.5OSV Advisory· Published Jan 19, 2026· Updated Apr 29, 2026
CVE-2026-23850
CVE-2026-23850
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/siyuan-note/siyuan/kernelGo | < 0.0.0-20260118092326-b2274baba2e1 | 0.0.0-20260118092326-b2274baba2e1 |
Affected products
3- Range: dev2.0.17-2, v0.1.0, v0.1.1, …
- ghsa-coords2 versionspkg:golang/github.com/siyuan-note/siyuan/kernelpkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Leap%2015.6
< 0.0.0-20260118092326-b2274baba2e1+ 1 more
- (no CPE)range: < 0.0.0-20260118092326-b2274baba2e1
- (no CPE)range: < 0.0.20260205T172317-150000.1.146.1
Patches
Vulnerability mechanics
References
8- github.com/siyuan-note/siyuan/commit/b2274baba2e11c8cf8901b0c5c871e5b27f1f6ddnvdPatchWEB
- github.com/siyuan-note/siyuan/commit/f8f4b517077b92c90c0d7b51ac11be1b34b273adnvdPatchWEB
- github.com/siyuan-note/siyuan/issues/16860nvdIssue TrackingPatchWEB
- github.com/siyuan-note/siyuan/security/advisories/GHSA-cv54-7wv7-qxcwnvdExploitPatchVendor AdvisoryWEB
- github.com/advisories/GHSA-cv54-7wv7-qxcwghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-23850ghsaADVISORY
- github.com/siyuan-note/siyuan/blob/master/kernel/model/file.gonvdProductWEB
- github.com/siyuan-note/siyuan/blob/v3.4.2/kernel/api/filetree.gonvdProductWEB
News mentions
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