Stats Digest Feeds
โ† Back to all CVEs

CVE-2026-77086

CRITICAL NVD
CVSS Score 9.1
Severity CRITICAL
Published Aug 21, 2026
Vendor unknown

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.

References