CVE-2023-48732

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CVSS 3.1

4.3 medium

EPSS

<1%p38

Published

Jan 2, 2024 (Jan 2, 2024)

Modified

Jun 17, 2026

Description

Mattermost fails to scope the WebSocket response around notified users to a each user separately resulting in the WebSocket broadcasting the information about who was notified about a post to everyone else in the channel.

Vendors: mattermost
Products: mattermost server
Weakness: CWE-200
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.5%)

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