SiYuan 3.7.0 before 3.8.10 Path Traversal File Write via MCP web_fetch
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
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| siyuan-note | siyuan | unaffected |
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No data.
No data.
| Vendor | Product | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| B3log | Siyuan |
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| Siyuan | Siyuan |
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No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.349% probability within 30 days)
Key SSVC decision points have not yet been added.
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Siyuan
Siyuan siyuan |
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| Vendors & Products |
Siyuan
Siyuan siyuan |
| Type | Values Removed | Values Added |
|---|---|---|
| Description | SiYuan 3.7.0 before 3.8.10 on Windows contains a path traversal vulnerability in kernel/util/webfetch.go that allows attackers to write files outside the import directory via backslash-encoded filenames. Attackers controlling a URL fetched by the MCP web_fetch or http_request tools can use %5C-encoded ..\ sequences to write chosen response bytes to directories above temp/import that are writable by the SiYuan user. | |
| Title | SiYuan 3.7.0 before 3.8.10 Path Traversal File Write via MCP web_fetch | |
| First Time appeared |
B3log
B3log siyuan |
|
| Weaknesses | CWE-22 | |
| CPEs | cpe:2.3:a:b3log:siyuan:*:*:*:*:*:*:*:* | |
| Vendors & Products |
B3log
B3log siyuan |
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| References |
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| Metrics |
cvssV3_1
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