CVE-2026-104410GHSA-778g-gq49-fxxj
SiYuan before 3.8.5 Information Disclosure via /api/export/preview
siyuan-note siyuan
CVSS
8.7HighExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 2 Oct 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.38%Chance of exploitation activity in the next 30 days, higher than 31% of CVEs. Scored 23 Oct 2026FIRST EPSS
What fixes it
- 3.8.5siyuanCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Description
SiYuan before 3.8.5 contains an information disclosure vulnerability that allows publish readers to read password-protected and publish-disabled database rows via the /api/export/preview endpoint. Attackers can request an export preview of a public document embedding a database view to obtain protected rows' primary-key text and cell values.
Text from CVE List
Affected versions 2
- siyuanaffected: all versions before 3.8.5CVE List
- siyuanunaffected: 3.8.5CVE List