CVE-2026-100645: CVE-2026-100645 - SiYuan versions 3.7.0 before 3.8.4 contain a stored cross-site scripting vulnerability in gallery and kanban database re
SiYuan versions 3.7.0 before 3.8.4 contain a stored cross-site scripting vulnerability in gallery and kanban database renderers where field descriptions are not escaped in aria-lab... This is a high threat mapped to CVE-2026-100645; security leaders should validate exposure, prioritize patching, and verify compensat...
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SecOps Recommended Triage Checklist
- 01.Scope & Asset Discovery: Query vulnerability scanners (e.g. Tenable) and software bill of materials (SBOM) to pinpoint affected packages and services.
- 02.Vendor Patch Application: Prioritize deployment of official security patches released by upstream vendors.
- 03.Compensating Defense Controls: If patch cannot be applied immediately, enforce strict firewall/WAF boundaries and isolate target instances.
- 04.Endpoint Behavioral Monitoring: Audit telemetry via EDR (e.g. CrowdStrike) for abnormal child processes or privilege escalation attempts.
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Related High-Priority Advisories
CVE-2026-100646 - SiYuan is a self-hosted personal knowledge management system. In versions up to and including 3.8.3, the kernel's authen
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CVE-2026-100643 - SiYuan versions before v3.8.4 fail to properly escape four stored Attribute View values in textarea elements, allowing a