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CVE-2023-48732

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CVE-2023-48732

Published: Jan 2, 2024

Modified: Jun 3, 2025

PUBLISHED

CVSS v3.1

4.3

MEDIUM

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.

VendorProductVersions

Mattermost

Mattermost

affected
0 - <= 8.1.6
unaffected
8.1.7

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

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