CVE-2026-6347
| Summary |
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
|
| Publication Date |
May 18, 2026, 6:16 p.m. |
| Registration Date |
May 19, 2026, 4:14 a.m. |
| Last Update |
May 19, 2026, 3:39 a.m. |
|
CVSS3.1 : HIGH
|
| スコア |
7.6
|
| Vector |
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L |
| 攻撃元区分(AV) |
ネットワーク |
| 攻撃条件の複雑さ(AC) |
低 |
| 攻撃に必要な特権レベル(PR) |
高 |
| 利用者の関与(UI) |
不要 |
| 影響の想定範囲(S) |
変更あり |
| 機密性への影響(C) |
高 |
| 完全性への影響(I) |
なし |
| 可用性への影響(A) |
低 |
Affected software configurations
| Configuration1 |
or higher |
or less |
more than |
less than |
| cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* |
10.11.0 |
|
|
10.11.14 |
| cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* |
11.4.0 |
|
|
11.4.4 |
| cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* |
11.5.0 |
|
|
11.5.2 |
Related information, measures and tools
Common Vulnerabilities List