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CVE-2026-77086

SiYuan

Descripción

SiYuan before v3.7.4 fails to validate the packageName parameter in Bazaar install and uninstall endpoints, allowing authenticated administrators to perform path traversal via directory traversal sequences. Attackers with admin access can write arbitrary files to any location via install operations or recursively delete directories via uninstall operations by supplying crafted packageName values.

CVSS 9.1EPSS 0.647%Riesgo 0.96
Ver fuente
Publicación
2026-08-21 11:17:06
Versiones afectadas
<3.7.4
Tipo
Aplicación web
Última modificación
2026-08-26 17:07:30
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H