CVE-2025-0503

published 2025-02-14

CVE-2025-0503: 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…

Priority P4 27 medium 5.3 CVSS 3.1

AV N AC L PR N UI N S U C L I N A N

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.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
mattermost	mattermost	9.11.0 – 9.11.6	—
mattermost	mattermost_server	>= 9.11.0 < 9.11.7	9.11.7

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