SiYuan <= v3.6.1 - Path Traversal

SiYuan is a personal knowledge management system. Prior to version 3.6.2, the Siyuan kernel exposes an unauthenticated file-serving endpoint under /appearance/filepath. Due to improper path sanitization, attackers can perform directory traversal and read arbitrary files accessible to the server...

SiYuan - SQL Execution

SiYuan = v3.7.2 contains a SQL injection caused by passing client-supplied SQL statements verbatim to the main read-write database handle in /api/search/searchEmbedBlock, letting attackers with publish RoleReader token or anonymous access read and modify content, exploit requires publish RoleRead...

SiYuan <= v3.5.9 - Cross Site Scripting

SiYuan v3.5.10 contains a reflected XSS caused by improper sanitization of javascript: href attributes allowing ASCII control characters to bypass prefix checks in SVG sanitizer, letting unauthenticated attackers execute JavaScript via /api/icon/getDynamicIcon. id: CVE-2026-31809 info: name: SiYu...

SiYuan Note <= 3.6.5 - Authentication Bypass

SiYuan Note 3.6.5 and prior is vulnerable to authentication bypass. The CheckAuth middleware unconditionally trusted all chrome-extension:// origins, granting RoleAdministrator access without token validation to any request with a spoofed Origin header. Fixed in v3.7.0. id: CVE-2026-54069 info:...

SiYuan <= v3.6.1 - Bookmark Data Disclosure

SiYuan v3.6.2 contains an information disclosure vulnerability caused by improper authorization checks in the publish service's bookmark filtering, letting unauthenticated visitors access bookmarked blocks from password-protected documents, exploit requires access to the publish service. id:...

SiYuan <= v3.5.9 - SVG Animate Element XSS

SiYuan = v3.5.9 contains a reflected XSS caused by insufficient SVG sanitization allowing SVG animation elements to inject executable JavaScript in /api/icon/getDynamicIcon endpoint, letting unauthenticated attackers execute scripts. id: CVE-2026-31807 info: name: SiYuan = v3.5.9 - SVG Animate...

SiYuan <= 3.6.5 - Unauthenticated Path Traversal

SiYuan = 3.6.5 contains a path traversal via double URL-encoding in the /assets/ route publish mode port 6808, allowing unauthenticated attackers to read arbitrary files inside WorkspaceDir including conf/conf.json which exposes the API token and access auth code. id: CVE-2026-54066 info: name:...

SiYuan Note - Cross-Site Scripting

Unauthenticated reflected cross-site scripting XSS vulnerability in all versions of SiYuan Note containing /api/icon/getDynamicIcon with unsafe type=8 rendering logic. Attacker-controlled content is inserted directly into SVG output without proper sanitization. An attacker can execute arbitrary...

SiYuan <=3.7.2 - SQL Injection

SiYuan before v3.7.3 contains a SQL injection caused by direct concatenation of the keyword parameter in /api/filetree/searchDocs endpoint, letting attackers with publish RoleReader token or unauthenticated in publish mode read and modify database content. id: CVE-2026-69085 info: name: SiYuan...

CVE-2026-105205

SiYuan before 3.8.5 contains an information disclosure vulnerability that allows publish-mode readers to learn backlink block IDs and reference counts from password-protected and publish-disabled documents by querying a published document. Attackers can send POST requests to /api/block/getDocInfo...

CVE-2026-105205 SiYuan before 3.8.5 Information Disclosure via /api/block/getDocInfo and getDocsInfo

SiYuan before 3.8.5 contains an information disclosure vulnerability that allows publish-mode readers to learn backlink block IDs and reference counts from password-protected and publish-disabled documents by querying a published document. Attackers can send POST requests to /api/block/getDocInfo...

CVE-2026-105205

The SiYuan note-taking application (versions prior to 3.8.5 ) is vulnerable to an information disclosure vulnerability. An attacker can bypass the publish confidentiality boundary by sending POST requests to the /api/block/getDocInfo or getDocsInfo endpoints for a published document. This allows ...

EUVD-2026-92098

SiYuan before 3.8.5 contains an information disclosure vulnerability that allows publish-mode readers to learn backlink block IDs and reference counts from password-protected and publish-disabled documents by querying a published document. Attackers can send POST requests to /api/block/getDocInfo...

CVE-2026-105205 SiYuan before 3.8.5 Information Disclosure via /api/block/getDocInfo and getDocsInfo

SiYuan before 3.8.5 contains an information disclosure vulnerability that allows publish-mode readers to learn backlink block IDs and reference counts from password-protected and publish-disabled documents by querying a published document. Attackers can send POST requests to /api/block/getDocInfo...

PT-2026-104629

SiYuan before 3.8.5 contains an information disclosure vulnerability that allows publish-mode readers to learn backlink block IDs and reference counts from password-protected and publish-disabled documents by querying a published document. Attackers can send POST requests to /api/block/getDocInfo...

CVE-2026-100633

CVE-2026-100633 — SiYuan Published vulnerability report. The official CVE record credits dpfkdlemtp as Reporter. Official CVE record Published GitHub security advisory GHSA-9g6v-r3xf-673q CVE portfolio on my GitHub profile CVE assignment clarification GitHub staff declined to assign a second CVE ...

EUVD-2026-60585

SiYuan: 17 block metadata/content endpoints in kernel/api/block.go have zero publish-access filtering, reachable by anonymous publish-mode readers...

SiYuan: Cross-Site WebSocket Hijacking on the admin-only network proxy endpoint (`/ws/network/proxy`) via explicit `CheckOrigin: true` bypass

High Package gomod github.com/siyuan-note/siyuan/kernel Affected versions 3.7.3 Patched versions none yet — leave blank until a fix is released Description Summary /ws/network/proxy is an admin-only WebSocket forward-proxy endpoint target URL and headers fully attacker-specifiable via query...

EUVD-2026-60085

SiYuan: Cross-Site WebSocket Hijacking on the admin-only network proxy endpoint /ws/network/proxy via explicit CheckOrigin: true bypass...

CVE-2026-69084-PoC

CVE-2026-69084 / CVE-2026-69085 — Ejecución Arbitraria de SQL e Inyección SQL en SiYuan CVE-2026-69084: Ejecución Arbitraria de SQL vía /api/search/searchEmbedBlock CVE-2026-69085: Inyección SQL vía /api/filetree/searchDocs CVSS 9.9 Crítico cada uno · CWE-89 · SiYuan = v3.7.2 corregido en v3.7.3...