CVE-2026-10278
ishayoyo excel-mcp read_file/write_file index.ts path traversal
- State
- Published
- Severity
- 5.3 Medium
- Published
- Jun 1, 2026
- Updated
- Jun 2, 2026
- Reserved
- May 31, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | 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 | VulDB |
| 3.1 | 6.3 Medium | 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 | VulDB |
| 3.0 | 6.3 Medium | 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 | VulDB |
| 2.0 | 6.5 Medium | AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-22 Path Traversal
Affected Products
| Product | Versions |
|---|---|
excel-mcpishayoyo |
|
References
- VDB-367571 | ishayoyo excel-mcp read_file/write_file index.ts path traversalvdb-entrytechnical-description
- VDB-367571 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-10278 | CVE Analysis and Reportthird-party-advisory
- Submit #825418 | ishayoyo excel-mcp 1.0.2 Path Traversalthird-party-advisory
- https://github.com/ishayoyo/excel-mcp/issues/6exploitissue-tracking
- https://github.com/ishayoyo/excel-mcp/product
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.