CVE-2026-10277CWE-266CWE-284

j3k0 mcp-google-workspace MCP Gmail Tool gmail.ts saveToDisk access control

Medium · published June 1, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
19.0
In the wild
Unconfirmed
What it is

A vulnerability was found in j3k0 mcp-google-workspace up to 831790e7d5c2663325733d9f5579cc339a267c4c. This issue affects the function saveToDisk of the file src/tools/gmail.ts of the component MCP Gmail Tool. Performing a manipulation results in improper access controls. It is possible to initiate the attack remotely. The exploit has been made public and could be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The patch is named 89c091ecf8b9f9c7291d1af0b1966e271f86551c. It is suggested to install a patch to address this issue.

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
0.00276 · 19.0th percentile
Weaknesses
CWE-266 · Incorrect Privilege Assignment; CWE-284 · Improper Access Control
Published
2026-06-01T17:15Z
EPSS history
Timeline
  • 01 JUN 17:15Z
    j3k0 mcp-google-workspace MCP Gmail Tool gmail.ts saveToDisk access control
    cvelistv5