cve/2023/CVE-2023-27266.md

### [CVE-2023-27266](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-27266)
![](https://img.shields.io/static/v1?label=Product&message=Mattermost&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=5.12.0%3C%207.7.0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-200%20Exposure%20of%20Sensitive%20Information%20to%20an%20Unauthorized%20Actor&color=brighgreen)

### Description

Mattermost fails to honor the ShowEmailAddress setting when constructing a response to the /api/v4/users/me/teams API endpoint, allowing an attacker with team admin privileges to learn the team owner's email address in the response.

### POC

#### Reference
- https://mattermost.com/security-updates/
- https://mattermost.com/security-updates/

#### Github
No PoCs found on GitHub currently.
Update Sat May 25 21:48:12 CEST 2024 2024-05-25 21:48:12 +02:00			`### [CVE-2023-27266](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-27266)`
			`![](https://img.shields.io/static/v1?label=Product&message=Mattermost&color=blue)`
			`![](https://img.shields.io/static/v1?label=Version&message=5.12.0%3C%207.7.0%20&color=brighgreen)`
			`![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-200%20Exposure%20of%20Sensitive%20Information%20to%20an%20Unauthorized%20Actor&color=brighgreen)`

			`### Description`

			`Mattermost fails to honor the ShowEmailAddress setting when constructing a response to the /api/v4/users/me/teams API endpoint, allowing an attacker with team admin privileges to learn the team owner's email address in the response.`

			`### POC`

			`#### Reference`
			`- https://mattermost.com/security-updates/`
Update CVE sources 2024-06-09 00:33 2024-06-09 00:33:16 +00:00			`- https://mattermost.com/security-updates/`
Update Sat May 25 21:48:12 CEST 2024 2024-05-25 21:48:12 +02:00
			`#### Github`
			`No PoCs found on GitHub currently.`