Medium 6.3Published Jun 1, 2026

CVE-2026-10278ishayoyo excel-mcp read_file/write_file index.ts path traversal

Updated under an hour ago (Oct 28, 2026, 8:40 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for ishayoyo excel-mcp

Exploited in the last 30 days

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.

CVSS: 6.3 MEDIUM (v3.1, CNA)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
Weakness (CWE): CWE-22
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Jun 2, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

ishayoyo excel-mcp ishayoyo:excel-mcp	1.0.0; 1.0.1; 1.0.2	CNA record

References

References

https://vuldb.com/vuln/367571	vdb-entry, technical-description
https://vuldb.com/vuln/367571/cti	signature, permissions-required
https://vuldb.com/cve/CVE-2026-10278	third-party-advisory
https://vuldb.com/submit/825418	third-party-advisory
https://github.com/ishayoyo/excel-mcp/issues/6	exploit, issue-tracking
https://github.com/ishayoyo/excel-mcp/	product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.