CVE-2026-7738: @puchunjie/doc-tools-mcp has a Path Traversal Issue
A security flaw has been discovered in puchunjie doc-tools-mcp 1.0.18. This affects the function createdocument/opendocument of the file src/mcp-server.ts of the component MCP Interface. The manipulation of the argument filePath results in path traversal. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.
Published May 4, 2026 · Updated May 8, 2026
Affected packages
@puchunjie/doc-tools-mcp
- Ecosystem
- npm
- Affected
- <= 1.0.18
- Fixed in
- No patched version yet
- Check
npm ls @puchunjie/doc-tools-mcp
Advisory details
From the GitHub Advisory Database (CC BY 4.0).
A security flaw has been discovered in puchunjie doc-tools-mcp 1.0.18. This affects the function create_document/open_document of the file src/mcp-server.ts of the component MCP Interface. The manipulation of the argument filePath results in path traversal. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-7738
- https://github.com/BruceJqs/public_exp/issues/38
- https://github.com/puchunjie/doc-tools-mcp/issues/4
- https://github.com/puchunjie/doc-tools-mcp
- https://vuldb.com/submit/807642
- https://vuldb.com/vuln/360913
- https://vuldb.com/vuln/360913/cti
- https://github.com/advisories/GHSA-gcmm-c94j-j47x
How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology
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