b3log siyuan

Published Atomicorp research notes for CVEs affecting b3log siyuan where WAF protections were observed during testing or engineering review.

These notes are not intended to represent the full set of vulnerabilities mitigated by Atomicorp products and should not be interpreted as a coverage matrix, certification list, or census of protected CVEs.

Atomicorp WAF protections are primarily designed around attack techniques and exploit behaviors rather than individual vulnerability identifiers. A published research note documents a positive research finding related to that CVE. If a CVE is absent from these notes, no conclusion should be drawn about protection status.

CVEVulnerabilityCVSSSeverityRules Observed
CVE-2026-34449SiYuan: Cross-Origin RCE via Permissive CORS Policy and JavaScript Snippet Injection9.6 (v3.1)Critical340014 , 340023 , 340029 , 344360 , 344361 , 344363 , 344364 , 344366 , 344370 , 345240 , 393655
CVE-2026-34448SiYuan: Stored XSS in Attribute View gallery/kanban cover rendering allows arbitrary command execution in the desktop cl9.0 (v3.1)Critical333140 , 333141 , 340087 , 340095 , 340099 , 340147 , 340148 , 341099 , 341256 , 341266 , 342259 , 346755 , 350147 , 350148
CVE-2026-34605SiYuan Note - Cross-Site Scripting8.6 (v4.0)High300013
CVE-2026-31807SiYuan <= v3.5.9 - SVG Animate Element XSS6.4 (v4.0)Medium300013
CVE-2026-31809SiYuan <= v3.5.9 - Cross Site Scripting6.4 (v4.0)Medium300013
CVE-2026-29183SiYuan Note - Cross-Site Scripting6.1 (v3.1)Medium300013 , 340147 , 341266 , 347198