What’s Vulnerable › Vulnerabilities

CVE-2026-10277: j3k0 mcp-google-workspace MCP Gmail Tool gmail.ts saveToDisk access control

• Severity: medium (CVSS 6.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-01 · updated 2026-07-22
• Weakness: CWE-266

Description

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.

Affected products

• j3k0 mcp-google-workspace: 831790e7d5c2663325733d9f5579cc339a267c4c

References

• https://github.com/j3k0/mcp-google-workspace/
• https://github.com/j3k0/mcp-google-workspace/commit/89c091ecf8b9f9c7291d1af0b1966e271f86551c
• https://github.com/j3k0/mcp-google-workspace/issues/19
• https://github.com/j3k0/mcp-google-workspace/pull/22
• https://vuldb.com/cve/CVE-2026-10277
• https://vuldb.com/submit/825416
• https://vuldb.com/vuln/367570
• https://vuldb.com/vuln/367570/cti

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