PT-2026-33210 · Siyuan · Siyuan
CVE-2026-40318
·
Published
2026-04-10
·
Updated
2026-07-30
CVSS v3.1
8.5
High
| Vector | AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H |
Name of the Vulnerable Software and Affected Versions
SiYuan versions prior to 3.6.4
Description
The '/api/av/removeUnusedAttributeView' endpoint constructs a filesystem path using the user-controlled
id parameter without validation or path boundary enforcement. This allows an attacker to inject path traversal sequences, such as '../', to escape the intended directory and delete arbitrary .json files on the server, including global configuration files and workspace metadata. Path traversal is a technique used to access files and directories that are stored outside the web root folder.Recommendations
Update to version 3.6.4.
As a temporary workaround, avoid using the
id parameter in the '/api/av/removeUnusedAttributeView' endpoint until the update is applied.Exploit
Fix
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Weakness Enumeration
Related Identifiers
Affected Products
Siyuan