j3k0 mcp-google-workspace up to 831790e7d5c2663325733d9f5579cc339a267c4c MCP Gmail Tool src/tools/gmail.ts saveToDisk access control
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.7 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in j3k0 mcp-google-workspace up to 831790e7d5c2663325733d9f5579cc339a267c4c. Impacted is the function saveToDisk of the file src/tools/gmail.ts of the component MCP Gmail Tool. Executing a manipulation can lead to access control.
This vulnerability is registered as CVE-2026-10277. It is possible to launch the attack remotely. Furthermore, an exploit is available.
This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. A patch should be applied to remediate this issue.
Details
A vulnerability classified as critical was found in j3k0 mcp-google-workspace up to 831790e7d5c2663325733d9f5579cc339a267c4c. This vulnerability affects the function saveToDisk of the file src/tools/gmail.ts of the component MCP Gmail Tool. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability.
The advisory is available at github.com. This vulnerability was named CVE-2026-10277. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.
It is possible to download the exploit at github.com. It is declared as proof-of-concept.
Applying the patch 89c091ecf8b9f9c7291d1af0b1966e271f86551c is able to eliminate this problem. The bugfix is ready for download at github.com.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
Version
License
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 5.7
VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Access controlCWE: CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔒
Patch: 89c091ecf8b9f9c7291d1af0b1966e271f86551c
Timeline
05/31/2026 Advisory disclosed05/31/2026 VulDB entry created
05/31/2026 VulDB entry last update
Sources
Product: github.comAdvisory: github.com
Status: Confirmed
Confirmation: 🔒
CVE: CVE-2026-10277 (🔒)
GCVE (CVE): GCVE-0-2026-10277
GCVE (VulDB): GCVE-100-367570
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 05/31/2026 18:11Changes: 05/31/2026 18:11 (62)
Complete: 🔍
Submitter: ccccccctfi
Cache ID: 216::103
Submit
Accepted
- Submit #825416: j3k0 mcp-google-workspace 1.0.0 Arbitrary File Write (by ccccccctfi)
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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