CVE-2026-45148 SiYuan: Broken access control in SiYuan publish-mode Readers can enumerate metadata
Attackers can enumerate metadata from invisible documents in SiYuan's publish mode due to broken access control in search functions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-45148?
CVE-2026-45148 is a medium-severity missing authorization vulnerability in siyuan-note siyuan, published on 14 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, broken access control in the searchAsset, searchTag, searchWidget, and searchTemplate publish-mode Readers can enumerate metadata from documents that are invisible to the publish service. This vulnerability is fixed in 3.7.0.
Weakness: CWE-863
Which versions are affected by CVE-2026-45148?
3 open source packages ship an affected version, including github.com/siyuan-note/siyuan/kernel.
| Package | Affected | Fixed in |
|---|---|---|
github.com/siyuan-note/siyuan/kernel Go | All versions | 0.0.0-20260512140701-d7b77d945e0d |
github.com/siyuan-note/siyuan/kernel Go | All versions | 0.0.0-20260512140701-d7b77d945e0d |
github.com/siyuan-note/siyuan/kernel Go | All versions | 0.0.0-20260512140701-d7b77d945e0d |
How do I fix CVE-2026-45148?
Upgrade github.com/siyuan-note/siyuan/kernel to 0.0.0-20260512140701-d7b77d945e0d or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-45148 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-45148 exists.
Sources
Also known as GHSA-fmh9-gpqh-g53g, GO-2026-5370.