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CVE-2026-77086

SiYuan

Description

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%Risque 0.96
Voir la source
Publication
2026-08-21 11:17:06
Versions concernées
<3.7.4
Type
Application web
Dernière modification
2026-08-26 17:07:30
Vecteur
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H