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 :
July 22, 2026, 7:10 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- 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.
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:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-10278
weaknesses.
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.
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CVE Translated by [email protected]
Jul. 22, 2026
Action Type Old Value New Value Added Translation Title: excel-mcp de ishayoyo, Description: Se determinó una vulnerabilidad en ishayoyo excel-mcp hasta la versión 1.0.2. Se ve afectada una función desconocida del archivo src/index.ts del componente read_file/write_file. La ejecución de una manipulación del argumento filePath/outputPath puede conducir a un salto de ruta. Es posible lanzar el ataque de forma remota. El exploit ha sido divulgado públicamente y puede ser utilizado. Se informó al proyecto del problema con antelación a través de un informe de incidencias, pero aún no ha respondido. -
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:ishayoyo:excel-mcp:*:*:*:*:*:*:*:*'], 'vendor': 'ishayoyo', 'modules': ['read_file/write_file'], 'product': 'excel-mcp', 'versions': [{'status': 'affected', 'version': '1.0.0'}, {'status': 'affected', 'version': '1.0.1'}, {'status': 'affected', 'version': '1.0.2'}]}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-10278', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-02T12:46:37.724390Z'} -
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