6.5
MEDIUM CVSS 2.0
CVE-2026-10278
ishayoyo excel-mcp read_file/write_file index.ts path traversal
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.

INFO

Published Date :

June 1, 2026, 7:16 p.m.

Last Modified :

June 2, 2026, 1:03 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-10278 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Ishayoyo excel-mcp
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 LOW [email protected]
Solution
The application is vulnerable to path traversal via file path manipulation.
  • Update the application to the latest version.
  • Sanitize all user-supplied input for file paths.
  • Implement strict path validation checks.
  • Consult vendor advisories for patches.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-10278.

URL Resource
https://github.com/ishayoyo/excel-mcp/
https://github.com/ishayoyo/excel-mcp/issues/6
https://vuldb.com/cve/CVE-2026-10278
https://vuldb.com/submit/825418
https://vuldb.com/vuln/367571
https://vuldb.com/vuln/367571/cti
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-10278 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-10278 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-10278 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Jun. 01, 2026

    Action Type Old Value New Value
    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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
    Added CVSS V2 (AV:N/AC:L/Au:S/C:P/I:P/A:P)
    Added CWE CWE-22
    Added Reference https://github.com/ishayoyo/excel-mcp/
    Added Reference https://github.com/ishayoyo/excel-mcp/issues/6
    Added Reference https://vuldb.com/cve/CVE-2026-10278
    Added Reference https://vuldb.com/submit/825418
    Added Reference https://vuldb.com/vuln/367571
    Added Reference https://vuldb.com/vuln/367571/cti
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.