CVE-2026-72803 in SiYuan

Résumé

par MITRE • 12/08/2026

SiYuan versions before v3.7.4 fail to enforce publish-access checks in the getBlockAttrs and batchGetBlockAttrs endpoints. Attackers can retrieve block attributes including names, aliases, memos, and custom fields from protected documents by sending POST requests with block IDs.

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• Responsable: VulnCheck
• Réserver: 10/08/2026
• Divulgation: 12/08/2026
• Modérer: accepté
• Entrée: VDB-389190
• CPE: prêt
• CWE: CWE-284 (confirmé)
• CVSS: 4.3 (VulDB)
• EPSS: 0.00000
• KEV: non
• Activités: très faible

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-72803
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-72803
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-72803/