Description

Mattermost versions 11.0.x <= 11.0.2, 10.12.x <= 10.12.1, 10.11.x <= 10.11.4, 10.5.x <= 10.5.12 fail to sanitize team email addresses to be visible only to Team Admins, which allows any authenticated user to view team email addresses via the GET /api/v4/channels/{channel_id}/common_teams endpoint

INFO

Published Date :

2025-11-27T16:36:30.545Z

Last Modified :

2025-11-27T16:36:30.545Z

Source :

Mattermost
AFFECTED PRODUCTS

The following products are affected by CVE-2025-12559 vulnerability.

No data.

REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-12559.

URL Resource
https://mattermost.com/security-updates cve-icon cve-icon
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