漏洞信息
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Vulnerability Title
Mattermost fails to scope role_updated websocket events to authorized team and channel members
Vulnerability Description
Mattermost versions 11.6.x <= 11.6.1, 11.5.x <= 11.5.4, 10.11.x <= 10.11.15, 10.11.x <= 10.11.16 fail to restrict role_updated websocket event broadcasts to members of the affected team or channel which allows an authenticated attacker with guest-level access to observe permission scheme change notifications for private teams they are not a member of via the websocket connection.. Mattermost Advisory ID: MMSA-2026-00616
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Vulnerability Type
信息暴露
Vulnerability Title
Mattermost 信息泄露漏洞
Vulnerability Description
Mattermost是美国Mattermost公司开源的一个开源协作平台。 Mattermost存在信息泄露漏洞,该漏洞源于未能限制role_updated websocket事件广播至受影响的团队或频道成员,可能导致经过身份验证的具有访客级访问权限的攻击者通过websocket连接观察到其未加入的私有团队的权限方案更改通知。以下版本受到影响:11.6.1及之前的11.6.x版本、11.5.4及之前的11.5.x版本、10.11.15及之前的10.11.x版本和10.11.16及之前的10.11.x版本。
CVSS Information
N/A
Vulnerability Type
N/A