Descripción
SiYuan versions before v3.7.4 contain a missing authorization vulnerability in the /api/ref/refreshBacklink endpoint that allows anonymous readers to trigger persistent server-side writes. Attackers can invoke the endpoint with an attacker-controlled block ID to flush transaction queues, scan all references globally, and enqueue database writes, bypassing read-only protections and enabling resource amplification attacks.
CVSS 6.5EPSS 0.27499999999999997%Riesgo 0.67
Ver fuente- Publicación
- 2026-08-14 12:16:44
- Versiones afectadas
- <3.7.4
- Tipo
- Aplicación web
- Última modificación
- 2026-08-26 16:57:52
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L