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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.

PUBLISHED Reserved 2026-05-31 | Published 2026-06-01 | Updated 2026-06-01 | Assigner VulDB




MEDIUM: 5.3CVSS: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
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C

Problem types

Improper Access Controls

Incorrect Privilege Assignment

Product status

831790e7d5c2663325733d9f5579cc339a267c4c
affected

Timeline

2026-05-31:Advisory disclosed
2026-05-31:VulDB entry created
2026-05-31:VulDB entry last update

Credits

ccccccctfi (VulDB User) reporter

References

vuldb.com/vuln/367570 (VDB-367570 | j3k0 mcp-google-workspace MCP Gmail Tool gmail.ts saveToDisk access control) vdb-entry technical-description

vuldb.com/vuln/367570/cti (VDB-367570 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-10277 (CVE-2026-10277 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/825416 (Submit #825416 | j3k0 mcp-google-workspace 1.0.0 Arbitrary File Write) third-party-advisory

github.com/j3k0/mcp-google-workspace/issues/19 exploit issue-tracking

github.com/j3k0/mcp-google-workspace/pull/22 issue-tracking patch

github.com/...ommit/89c091ecf8b9f9c7291d1af0b1966e271f86551c patch

github.com/j3k0/mcp-google-workspace/ product

cve.org (CVE-2026-10277)

nvd.nist.gov (CVE-2026-10277)

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