CVE-2026-45148: SiYuan: Broken access control in SiYuan publish-mode Readers can enumerate metadata

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-14 · updated 2026-06-17
Weakness: CWE-863

Description

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, broken access control in the searchAsset, searchTag, searchWidget, and searchTemplate publish-mode Readers can enumerate metadata from documents that are invisible to the publish service. This vulnerability is fixed in 3.7.0.

Affected products

siyuan-note siyuan: before 3.7.0

References

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-fmh9-gpqh-g53g
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-fmh9-gpqh-g53g

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