CVE-2023-27266

Disclosure of team owner email address when when accessing the teams API

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.

Remediation

Solution:

  • Update Mattermost to version 7.7.0 or higher.

Category

2.7
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.15%
Vendor Advisory mattermost.com
Affected: Mattermost Mattermost
Published at:
Updated at:

References

Link Tags
https://mattermost.com/security-updates/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-27266?
CVE-2023-27266 has been scored as a low severity vulnerability.
How to fix CVE-2023-27266?
To fix CVE-2023-27266: Update Mattermost to version 7.7.0 or higher.
Is CVE-2023-27266 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-27266 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-27266?
CVE-2023-27266 affects Mattermost Mattermost.
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