CVE-2026-92986: falha de alta gravidade em siyuan-note siyuan
SiYuan before 3.8.4 Cross-Site Scripting via Document Title
Publicada em
Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 8.6epss 0.8%
SiYuan before 3.8.4 renders document titles as HTML in the backlink dock tree without escaping markup characters. Attackers can set malicious titles through the rename API or crafted notebooks to execute scripts in the Electron renderer with access to child_process for command execution.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Produtos afetados
siyuan-note · siyuanCVEs relacionadas — siyuan-note siyuan
No mesmo produto, das mais perigosas para as menos.
CVE-2026-54069CRITICALSiYuan: Unauthenticated Admin API Access via Blanket chrome-extension:// Origin AllowlistEPSS 7.5%CVE-2026-54068MEDIUMSiYuan: Unauthenticated SQLite Data Exfiltration via Template Injection in /api/icon/getDynamicIconEPSS 4.3%CVE-2026-33476HIGHSiYuan has an Unauthenticated Arbitrary File Read via Path TraversalEPSS 3.3%CVE-2026-54066HIGHSiYuan: Path Traversal via Double URL Encoding in /assets/*path (publish mode arbitrary file─read)EPSS 2.2%CVE-2026-69084CRITICALSiYuan before v3.7.3 SQL Injection via searchEmbedBlockEPSS 1.6%CVE-2026-69085CRITICALSiYuan before v3.7.3 SQL Injection via searchDocsEPSS 1.4%
Referências
https://github.com/siyuan-note/siyuanhttps://github.com/siyuan-note/siyuan/blob/v3.8.3/app/src/util/Tree.ts#L134https://github.com/siyuan-note/siyuan/commit/6f093ebe50afc503e2a8b056164293054f8509e7https://github.com/siyuan-note/siyuan/security/advisories/GHSA-c5h9-g2c6-fxjwhttps://www.vulncheck.com/advisories/siyuan-before-3.8.4-cross-site-scripting-via-document-title