CVE-2026-68585 SiYuan before v3.7.3 Metadata Disclosure via getBlockInfo
Attackers can retrieve metadata of unpublished documents via the getBlockInfo API, exposing titles and paths to unauthorized users.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-68585?
CVE-2026-68585 is a medium-severity vulnerability in siyuan-note siyuan, published on 3 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
SiYuan versions before v3.7.3 contain a metadata disclosure vulnerability in the /api/block/getBlockInfo endpoint that returns document root metadata including title for publish-forbidden documents without publish-access checks. Anonymous readers or publish RoleReader tokens can supply a block ID to retrieve the title, notebook, path, root ID, and icon of documents administrators marked as excluded from publishing.
Weakness: CWE-862
Which versions are affected by CVE-2026-68585?
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 | 0.0.0-20260721014951-ffde3b21eca4 |
github.com/siyuan-note/siyuan/kernel Go | All versions | 0.0.0-20260721014951-ffde3b21eca4 |
github.com/siyuan-note/siyuan/kernel Go | All versions | 0.0.0-20260721014951-ffde3b21eca4 |
How do I fix CVE-2026-68585?
Upgrade github.com/siyuan-note/siyuan/kernel to 0.0.0-20260721014951-ffde3b21eca4 or later.
Is CVE-2026-68585 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-68585 exists.
Sources
Also known as GHSA-pm3w-vxp9-ccwc, GO-2026-6384.