medium5.7
CVE-2026-82233
SiYuan before v3.8.1 contains a path traversal vulnerability in the asset.upload MCP tool that accepts arbitrary absolute file paths without workspace boundary…
Impact
SiYuan before v3.8.1 contains a path traversal vulnerability in the asset.upload MCP tool that accepts arbitrary absolute file paths without workspace boundary validation. Attackers can induce the AI Agent to upload sensitive files such as SSH keys or credentials from outside the workspace into the asset directory through prompt injection.
Affected products
| Product | Affected versions |
|---|---|
| SiYuan | before 3.8.1 |
Versions were read from the advisory text. No structured product data has been published for this record yet.