CVE-2026-72795
Unauthenticated read of protected SiYuan document content via embed endpoints.
Is CVE-2026-72795 being exploited?
Not confirmed. CVE-2026-72795 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 0.24% probability of exploitation in the next 30 days.
How severe is CVE-2026-72795?
CVE-2026-72795 is rated Critical. 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-2026-72795?
Yes. A fix has been recorded for CVE-2026-72795. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-72795 affect?
CVE-2026-72795 affects SiYuan (versions before v3.7.4), Endpoints: getBlockDOMWithEmbed, getBlockDOMsWithEmbed. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-72795?
Upgrade to v3.7.4+ immediately; restrict embed access and rotate exposed secrets.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated attackers can retrieve content from password-protected, hidden, or forbidden documents via embed endpoints, enabling data exfiltration.
Immediate action required
- affected< 3.7.4
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.