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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
ishayoyo excel-mcp affected
Version Status Constraints
1.0.0 affected —
1.0.1 affected —
1.0.2 affected —

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Project Subscriptions

Vendors Products
Ishayoyo Subscribe
Excel-mcp Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/ishayoyo/excel-mcp/ cve-icon cve-icon
https://github.com/ishayoyo/excel-mcp/issues/6 cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-10278 cve-icon cve-icon
https://vuldb.com/submit/825418 cve-icon cve-icon
https://vuldb.com/vuln/367571 cve-icon cve-icon
https://vuldb.com/vuln/367571/cti cve-icon cve-icon
History

Mon, 01 Jun 2026 19:00:00 +0000

Type Values Removed Values Added
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.
Title ishayoyo excel-mcp read_file/write_file index.ts path traversal
First Time appeared Ishayoyo
Ishayoyo excel-mcp
Weaknesses CWE-22
CPEs cpe:2.3:a:ishayoyo:excel-mcp:*:*:*:*:*:*:*:*
Vendors & Products Ishayoyo
Ishayoyo excel-mcp
References
Metrics cvssV2_0

{'score': 6.5, 'vector': 'AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 6.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS: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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-06-01T17:30:10.290Z

Reserved: 2026-05-31T16:10:40.911Z

Link: CVE-2026-10278

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-06-01T19:16:20.440

Modified: 2026-06-01T19:16:20.440

Link: CVE-2026-10278

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-01T20:30:17Z

Weaknesses