GitHub Security Advisory (GHSA-5fhr-f75j-8wr9)Vendor advisory
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-5fhr-f75j-8wr9 CVE-2026-72800
MEDIUM
SiYuan before v3.7.4 Information Disclosure via Unfiltered API
Record summary
CVE-2026-72800 has a selected CVSS score of 6.9 (medium).
Description
SiYuan versions before v3.7.4 fail to apply publish-access filtering to the getAttributeViewKeysByID endpoint, allowing authenticated readers to retrieve complete database column schemas including descriptions, select vocabularies, and template expressions. Additionally, getBlockDefIDsByRefText and getBlockRelevantIDs endpoints enumerate workspace-wide block IDs without publish scoping, enabling attackers to discover valid block identifiers across publish boundaries and access content from hidden or password-protected documents.
Description source: CVE List
Exploitation context
CISA SSVC decision
ExploitationNone
AutomatableYes
Technical impactPartial
CISA Coordinator · SSVC 2.0.3 · Evaluated Aug 12, 2026 · Source: CVE List
Affected products and versions
1| Product | Source | Version range | Status |
|---|---|---|---|
Default status: unaffected | CVE List | Before 3.7.4 | affected |
| 3.7.4 | unaffected |
References
3nvd.nist.gov
https://nvd.nist.gov/vuln/detail/CVE-2026-72800 VulnCheck Advisory: SiYuan before v3.7.4 Information Disclosure via Unfiltered APIThird-party advisory
https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-unfiltered-api