CVE-2026-68584
Auth bypass lets anonymous users retrieve password-protected SiYuan documents.
Is CVE-2026-68584 being exploited?
Not confirmed. CVE-2026-68584 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.31% probability of exploitation in the next 30 days.
How severe is CVE-2026-68584?
CVE-2026-68584 is rated Critical with a CVSS score of 9.2. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-68584?
Yes. A fix has been recorded for CVE-2026-68584. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-68584 affect?
CVE-2026-68584 affects SiYuan < v3.7.3, publish-mode endpoints: getHeadingChildrenDOM, getHeading*Transaction, getBacklinkDoc, and 1 further product or version. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-68584?
Upgrade to SiYuan v3.7.3+ and restrict/publish endpoint access
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Anonymous attackers can bypass doc password protection and retrieve full document content by calling unprotected publish-mode endpoints with internal block IDs.
Immediate action required
- affected< 3.7.3
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.