CVE-2026-10278CWE-22

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

Medium · published June 1, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
20.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
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
EPSS
0.00288 · 20.3th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-06-01T17:30Z
EPSS history
Timeline
  • 01 JUN 17:30Z
    ishayoyo excel-mcp read_file/write_file index.ts path traversal
    cvelistv5