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Description

A vulnerability was determined in ishayoyo excel-mcp up to 1.0.2. Impacted is an unknown function of the file src/index.ts of the component read_file/write_file. Executing a manipulation of the argument filePath/outputPath can lead to path traversal. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

PUBLISHED Reserved 2026-05-31 | Published 2026-06-01 | Updated 2026-06-02 | 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

1.0.0
affected

1.0.1
affected

1.0.2
affected

Timeline

2026-05-31:Advisory disclosed
2026-05-31:VulDB entry created
2026-05-31:VulDB entry last update

Credits

ccccccctfi (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/367571 (VDB-367571 | ishayoyo excel-mcp read_file/write_file index.ts path traversal) vdb-entry technical-description

vuldb.com/vuln/367571/cti (VDB-367571 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-10278 (CVE-2026-10278 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/825418 (Submit #825418 | ishayoyo excel-mcp 1.0.2 Path Traversal) third-party-advisory

github.com/ishayoyo/excel-mcp/issues/6 exploit issue-tracking

github.com/ishayoyo/excel-mcp/ product

cve.org (CVE-2026-10278)

nvd.nist.gov (CVE-2026-10278)

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