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CVE-2026-6347

—
CVSS 3.1
7.6 high
EPSS
<1%p18
Published
()
Modified
Description

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 plugin configuration.. Mattermost Advisory ID: MMSA-2026-00605

Vendors
mattermost
Products
mattermost server
Weakness
CWE-200
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L
NVD CVE.org GitHub PoCs EPSS (0.3%)

In the news

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