CVE-2026-68584 SiYuan before v3.7.3 Authentication Bypass via Content Endpoints
Attackers can bypass password protection in SiYuan's publish mode to read full content of protected documents by accessing unprotected internal endpoints.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-68584?
CVE-2026-68584 is a critical authentication bypass 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 an authentication bypass vulnerability in publish mode where content-returning endpoints getHeadingChildrenDOM, getHeading*Transaction, and getBacklinkDoc perform no password check despite protecting the primary getDoc endpoint. Anonymous attackers can retrieve full content of password-protected documents by obtaining internal block IDs from reader-accessible endpoints and calling unprotected content endpoints to bypass the password gate.
Weakness: CWE-288
Which versions are affected by CVE-2026-68584?
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 | 0.0.0-20260721020826-2d069dce84a2 |
github.com/siyuan-note/siyuan/kernel Go | All versions | 0.0.0-20260721020826-2d069dce84a2 |
github.com/siyuan-note/siyuan/kernel Go | All versions | 0.0.0-20260721020826-2d069dce84a2 |
How do I fix CVE-2026-68584?
Upgrade github.com/siyuan-note/siyuan/kernel to 0.0.0-20260721020826-2d069dce84a2 or later.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-68584 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-68584 exists.
Sources
Also known as GHSA-7j72-f6wg-cxw6, GO-2026-6382.