EUVD-2025-175343Published
Mattermost versions 10.11.x <= 10.11.3, 10.5.x <= 10.5.11 fail to properly validate team membership permissions in the Add Channel Member API which allows users from one team to access user metadata and channel membership information from o…
Exact source revision recorded 2 Nov 2026 23:59:27 UTC. It does not establish the source's current position. Latest evidence.
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CVE-2025-11777 · Microsoft / collected KEV context
euvd · EUVD-2025-175343
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