CVE-2026-72795

SiYuan before v3.7.4 Information Disclosure via Embed Block

SiYuan versions before v3.7.4 fail to filter embedded block content by publish access in the getBlockDOMWithEmbed and getBlockDOMsWithEmbed endpoints. Attackers can request published blocks containing embed queries to read content from password-protected, hidden, or forbidden documents without authorization.

Affected

siyuan-note · siyuan

CVSS v4.0 VULNCHECK

9.2 CRITICALCVSS: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:X/V:X/RE:X/U:X

CVSS v3.1 VULNCHECK

8.6 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

EPSS

0.41% chance of exploitation in the next 30 days, 34th percentile

Published

2026-08-12

Updated

2026-08-14

Proof-of-concept exploits (1)

• advisories/GHSA-h6w7-xxcf-w2mq

References

• CVE Record
• NVD entry