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CVE-2026-10277: Improper Access Controls in j3k0 mcp-google-workspace

0
Medium
VulnerabilityCVE-2026-10277cvecve-2026-10277
Published: Mon Jun 01 2026 (06/01/2026, 17:15:10 UTC)
Source: CVE Database V5
Vendor/Project: j3k0
Product: mcp-google-workspace

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.

CVSS v4.0

Score 5.3medium

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
Low
Vuln. Integrity
Low
Vuln. Availability
Low
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
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

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 06/01/2026, 19:53:10 UTC

Technical Analysis

This vulnerability in j3k0 mcp-google-workspace up to commit 831790e7d5c2663325733d9f5579cc339a267c4c affects the saveToDisk function within src/tools/gmail.ts of the MCP Gmail Tool component. Improper access controls allow remote attackers to manipulate the function, potentially leading to unauthorized actions. The product is delivered via a rolling release, complicating version tracking. A patch commit 89c091ecf8b9f9c7291d1af0b1966e271f86551c is available to fix the issue, though no official vendor advisory or remediation level is documented. The CVSS 4.0 base score is 5.3, indicating medium severity.

Potential Impact

The vulnerability allows remote attackers to exploit improper access controls in the saveToDisk function, which could lead to unauthorized access or manipulation of data within the MCP Gmail Tool component. The impact is rated medium with a CVSS 4.0 score of 5.3. There are no known exploits in the wild at this time.

Mitigation Recommendations

A patch identified by commit 89c091ecf8b9f9c7291d1af0b1966e271f86551c is suggested to remediate this vulnerability. Since the product uses a rolling release model, users should update to the latest release that includes this patch. Patch status is not officially confirmed in a vendor advisory; therefore, users should verify the update from the official source or repository to ensure the fix is applied.

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Technical Details

Data Version
5.2
Assigner Short Name
VulDB
Date Reserved
2026-05-31T16:06:06.795Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6a1de300e29bf47b503a4dcf

Added to database: 6/1/2026, 7:52:32 PM

Last enriched: 6/1/2026, 7:53:10 PM

Last updated: 6/2/2026, 7:35:24 AM

Views: 4

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