Medium severity · published Aug 3, 2026
CVE-2026-68585
SiYuan before v3.7.3 Metadata Disclosure via getBlockInfo
5.8
CVSS
0.2%
EPSS
No
On KEV
Description
SiYuan versions before v3.7.3 contain a metadata disclosure vulnerability in the /api/block/getBlockInfo endpoint that returns document root metadata including title for publish-forbidden documents without publish-access checks. Anonymous readers or publish RoleReader tokens can supply a block ID to retrieve the title, notebook, path, root ID, and icon of documents administrators marked as excluded from publishing.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SI
siyuan · siyuan-note
before 3.7.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-68585
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-68585
github.com
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-pm3w-vxp9-ccwc
www.vulncheck.com
https://www.vulncheck.com/advisories/siyuan-before-metadata-disclosure-via-getblockinfo
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