by Kastro
Paper/Archive/CVE-2026-72795

CVE-2026-72795

siyuan-note siyuan — SiYuan before v3.7.4 Information Disclosure via Embed Block

EPSS 0.3%public exploitCVSS 9.2
critical.is priorityof 100
42
CVSS 9.2 (CNA)9.2 / 10 × 3027.6Not in CISA KEV+300.0EPSS percentile 23.3.233 × 204.7Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
siyuan< 3.7.43.7.4CNA

Scores by source

VulnCheck (CNA)9.2CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
VulnCheck (CNA)8.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: partial

References

exploitgithub.com/siyuan-note/siyuan/security/advisories/GHSA-h6w7-xxcf-w2mqwriteupvulncheck.com/advisories/siyuan-before-information-disclosure-via-embed-block