CVE-2026-72798 SiYuan before v3.7.4 Information Disclosure via renderAttributeView
Attackers can access sensitive content from hidden or password-protected databases in SiYuan by exploiting improper filtering in renderAttributeView.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-72798?
CVE-2026-72798 is a critical vulnerability in siyuan-note siyuan, published on 12 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
SiYuan versions before v3.7.4 fail to properly filter related-database content in renderAttributeView, allowing anonymous readers to access Relation and Rollup cell contents from hidden or password-protected databases. Attackers can request published databases that relate to restricted databases to retrieve sensitive content, or bypass row filtering entirely when the first column is a non-block type.
Weakness: CWE-862
Which versions are affected by CVE-2026-72798?
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 | 0.0.0-20260724121519-426991d155c0 |
github.com/siyuan-note/siyuan/kernel Go | All versions | 0.0.0-20260724121519-426991d155c0 |
github.com/siyuan-note/siyuan/kernel Go | All versions | 0.0.0-20260724121519-426991d155c0 |
How do I fix CVE-2026-72798?
Upgrade github.com/siyuan-note/siyuan/kernel to 0.0.0-20260724121519-426991d155c0 or later.
Is CVE-2026-72798 being exploited?
There is no known exploitation of CVE-2026-72798 in the wild and no public exploit code.
Sources
Also known as GHSA-mfrj-v65r-979c, GO-2026-6415.