CVE-2026-73605
Medium · 5.8CVSS
5.8
EPSS
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Published
Aug 13, 2026
CISA due date
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The record
SiYuan versions before v3.7.4 contain a path traversal vulnerability in the getUniqueFilename endpoint that allows anonymous readers to probe filesystem existence without validation or confinement. Attackers can supply arbitrary absolute paths to determine whether files and directories exist on the host, enabling reconnaissance of the filesystem layout and installed software.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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