High severity · published Oct 2, 2026
CVE-2026-104410
SiYuan before 3.8.5 Information Disclosure via /api/export/preview
7.5
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SI
siyuan · siyuan-note
before 3.8.5 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-104410
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-104410
vendor-advisory
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-778g-gq49-fxxj
third-party-advisory
https://www.vulncheck.com/advisories/siyuan-before-3.8.5-information-disclosure-via-api-export-preview
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