Security Advisory

CVE-2025-0503

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-02-14 17:52:17

Last updated 2025-02-14 18:09:02

Assigner Mattermost

State PUBLISHED

Description

Mattermost versions 9.11.x <= 9.11.6 fail to filter out DMs from the deleted channels endpoint which allows an attacker to infer user IDs and other metadata from deleted DMs if someone had manually marked DMs as deleted in the database.

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