01 Record

CVE-2026-72810

SiYuan before v3.7.4 Publish-Boundary Bypass via WebSocket

CriticalPUBLISHEDCNA: VulnCheck

Base score9.2 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N

02 Description

SiYuan before v3.7.4 Publish-Boundary Bypass via WebSocket

Published: 2026-08-14 11:35Z6 HR AGO
Last updated: 2026-08-14 16:52Z1 HR AGO
Reserved: 2026-08-10
Assigning CNA: VulnCheck
Record state: PUBLISHED
Severity: Critical (CVSS 9.2)
CVSS vector: 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
Weaknesses: CWE-862
SSVC decision: No CISA-ADP assessment
Data version: 5.2
Document digest: 8c551b1aef512814737c3bcd01b337bda799f0331b915bff0c6798f5acd3854d

VendorProductVersionsPlatforms

siyuan-notesiyuan0 to < 3.7.4—

github.comGitHub Security Advisory (GHSA-mw8r-mw84-88v2)https://github.com/siyuan-note/siyuan/security/advisories/GHSA-mw8r-mw84-88v2vendor-advisory
www.vulncheck.comVulnCheck Advisory: SiYuan before v3.7.4 Publish-Boundary Bypass via WebSockethttps://www.vulncheck.com/advisories/siyuan-before-publish-boundary-bypass-via-websocketthird-party-advisory