CVE-2026-32815

{"id": "CVE-2026-32815", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}], "cvssMetricV40": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 5.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2026-03-19T22:16:42.167", "references": [{"url": "https://github.com/siyuan-note/siyuan/commit/1e370e37359778c0932673e825182ff555b504a3", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/siyuan-note/siyuan/releases/tag/v3.6.1", "tags": ["Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/siyuan-note/siyuan/security/advisories/GHSA-xp2m-98x8-rpj6", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-287"}]}], "descriptions": [{"lang": "en", "value": "SiYuan is a personal knowledge management system. In versions 3.6.0 and below, the WebSocket endpoint (/ws) allows unauthenticated connections when specific URL parameters are provided (?app=siyuan&id=auth&type=auth). This bypass, intended for the login page to keep the kernel alive, allows any external client \u2014 including malicious websites via cross-origin WebSocket \u2014 to connect and receive all server push events in real-time. These events leak sensitive document metadata including document titles, notebook names, file paths, and all CRUD operations performed by authenticated users. Combined with the absence of Origin header validation, a malicious website can silently connect to a victim's local SiYuan instance and monitor their note-taking activity. This issue has been fixed in version 3.6.1."}, {"lang": "es", "value": "SiYuan es un sistema de gesti\u00f3n de conocimiento personal. En las versiones 3.6.0 e inferiores, el endpoint de WebSocket (/ws) permite conexiones no autenticadas cuando se proporcionan par\u00e1metros de URL espec\u00edficos (?app=siyuan&id=auth&type=auth). Este bypass, destinado a la p\u00e1gina de inicio de sesi\u00f3n para mantener el kernel vivo, permite a cualquier cliente externo \u2014incluidos sitios web maliciosos a trav\u00e9s de WebSocket de origen cruzado\u2014 conectarse y recibir todos los eventos push del servidor en tiempo real. Estos eventos filtran metadatos de documentos sensibles, incluyendo t\u00edtulos de documentos, nombres de cuadernos, rutas de archivos y todas las operaciones CRUD realizadas por usuarios autenticados. Combinado con la ausencia de validaci\u00f3n del encabezado Origin, un sitio web malicioso puede conectarse silenciosamente a la instancia local de SiYuan de una v\u00edctima y monitorear su actividad de toma de notas. Este problema ha sido solucionado en la versi\u00f3n 3.6.1."}], "lastModified": "2026-03-23T18:20:00.913", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:b3log:siyuan:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E1AA6470-222A-4841-A487-DF65F9859780", "versionEndExcluding": "3.6.1"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}