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Vulnerability record · CVE-2026-72798 · published 12 August 2026

CVE-2026-72798: Missing authorization vulnerability

SiYuan versions before v3.7.4 fail to properly filter related-database content in renderAttributeView, allowing anonymous readers to access Relation and Rollup cell contents from hidden or password-protected databases. Attackers can request published databases that relate to restricted databases to retrieve sensitive content, or bypass row filtering entirely when the first column is a non-block type.

9.2 CVSS 4.0 Critical EPSS 0.43% · top 64.8% CWE-862 · Missing authorization Deferred
9.2CVSS 4.0 base score
0.43%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
26 Aug 2026Last modified by NVD

Description

SiYuan versions before v3.7.4 fail to properly filter related-database content in renderAttributeView, allowing anonymous readers to access Relation and Rollup cell contents from hidden or password-protected databases. Attackers can request published databases that relate to restricted databases to retrieve sensitive content, or bypass row filtering entirely when the first column is a non-block type.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-mfrj-v65r-979c
https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-renderattributeview

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Source: NIST National Vulnerability Database (record CVE-2026-72798), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.