cve.bz

CVE-2026-72810

9.2 criticalEPSS 0.5%

Critical (9.2). EPSS 0.5% chance of exploitation in the next 30 days. Fixed in github.com/siyuan-note/siyuan/kernel 0.0.0-20260723013612-ba948639d7f6.

SiYuan versions before v3.7.4 contain a publish-boundary bypass vulnerability in WebSocket broadcast sessions that allows anonymous readers to receive unfiltered edits. Attackers can establish a WebSocket connection to the publish surface and passively receive real-time content events including password-protected and forbidden documents without authentication.

Severity

CVSS 4.0

9.2 critical
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

CVSS 3.1

8.6 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
EPSS
0.5% chance of exploitation in the next 30 days; higher than 45% of CVEs (scores of 2026-10-31)
CWE
CWE-862
Published
Modified
Record from
the NVD, synced

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-mw8r-mw84-88v2Gogithub.com/siyuan-note/siyuan/kernel<0.0.0-20260723013612-ba948639d7f60.0.0-20260723013612-ba948639d7f6
GO-2026-6400Gogithub.com/siyuan-note/siyuan/kernel<0.0.0-20260723013612-ba948639d7f60.0.0-20260723013612-ba948639d7f6

References

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