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Description

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.

PUBLISHED Reserved 2026-05-03 | Published 2026-05-04 | Updated 2026-05-05 | Assigner VulDB




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Path Traversal

Product status

1.0.18
affected

Timeline

2026-05-03:Advisory disclosed
2026-05-03:VulDB entry created
2026-05-03:VulDB entry last update

Credits

BruceJqs (VulDB User) reporter

VulDB CNA Team coordinator

References

github.com/puchunjie/doc-tools-mcp/issues/4 exploit

vuldb.com/vuln/360913 (VDB-360913 | puchunjie doc-tools-mcp MCP mcp-server.ts open_document path traversal) vdb-entry technical-description

vuldb.com/vuln/360913/cti (VDB-360913 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/807642 (Submit #807642 | puchunjie @puchunjie/doc-tools-mcp 1.0.18, Commit c96df45a16710a3eec41a7a94c32b81468db28ea Path Traversal) third-party-advisory

github.com/puchunjie/doc-tools-mcp/issues/4 issue-tracking

github.com/BruceJqs/public_exp/issues/38 exploit issue-tracking

github.com/puchunjie/doc-tools-mcp/ product

cve.org (CVE-2026-7738)

nvd.nist.gov (CVE-2026-7738)

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