Mattermost doesn't sanitize sensitive configuration fields in the Mattermost Calls plugin

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 fail to sanitize sensitive configuration fields in the Mattermost Calls plugin which allows an attacker with access to a support packet to obtain TURN server credentials via the plaintext values present in the exported plugi...

CVE-2026-6347

Summary: CVE-2026-6347 affects Mattermost releases 11.5.x up to 11.5.1, 11.4.x up to 11.4.3, and 10.11.x up to 10.11.13. The vulnerability arises in the Mattermost Calls plugin where sensitive configuration fields are not sanitized. This allows an attacker with access to a support packet to obtai...

CVE-2026-6347 Mattermost Calls plugin exposes TURN server credentials in plaintext in support packets

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 fail to sanitize sensitive configuration fields in the Mattermost Calls plugin which allows an attacker with access to a support packet to obtain TURN server credentials via the plaintext values present in the exported plugi...

CVE-2026-6347 Mattermost Calls plugin exposes TURN server credentials in plaintext in support packets

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 fail to sanitize sensitive configuration fields in the Mattermost Calls plugin which allows an attacker with access to a support packet to obtain TURN server credentials via the plaintext values present in the exported plugi...

PT-2026-41661

Name of the Vulnerable Software and Affected Versions Mattermost versions 11.5.0 through 11.5.1 Mattermost versions 10.11.0 through 10.11.13 Mattermost versions 11.4.0 through 11.4.3 Description The Mattermost Calls plugin fails to sanitize sensitive configuration fields. This allows an attacker...

CVE-2025-62190

Mattermost versions 11.0.x = 11.0.4, 10.12.x = 10.12.2, 10.11.x = 10.11.6 and Mattermost Calls versions =1.10.0 fail to implement CSRF protection on the Calls widget page which allows an authenticated attacker to initiate calls and inject messages into channels or direct messages via a malicious...

CVE-2025-62190

Mattermost versions 11.0.x = 11.0.4, 10.12.x = 10.12.2, 10.11.x = 10.11.6 and Mattermost Calls versions =1.10.0 fail to implement CSRF protection on the Calls widget page which allows an authenticated attacker to initiate calls and inject messages into channels or direct messages via a malicious...

PT-2025-51826

Mattermost versions 11.0.x = 11.0.4, 10.12.x = 10.12.2, 10.11.x = 10.11.6 and Mattermost Calls versions =1.10.0 fail to implement CSRF protection on the Calls widget page which allows an authenticated attacker to initiate calls and inject messages into channels or direct messages via a malicious...

EUVD-2023-3066

Malicious code in bioql PyPI...

CVE-2025-22445 Misleading UI for undefined admin console settings in Calls causes security confusion

Mattermost versions 10.x = 10.2 fail to accurately reflect missing settings, which allows confusion for admins regarding a Calls security-sensitive configuration via incorrect UI reporting...