Feed/CVE-2026-77086
CVE-2026-77086CRITICALCVSS 9.1

CVE-2026-77086

Published Aug 21, 2026·Updated Aug 21, 2026

NVD 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 Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References

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