CVE-2026-3433

MEDIUM

4.3

CVSS Severity Score

EPSS Score0.0260%

EPSS Percentile5.88th

Published2026年6月12日

Last Modified2026年6月12日

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

Affected Platforms (CPE)

No CPE configurations currently published for this record.

References & Advisories

🔗 https://mattermost.com/security-updates

Vulnerability Description

Affected Platforms (CPE)

References & Advisories

相关漏洞威胁