CVE-2023-47858 MEDIUM

CVE-2023-47858: Details of archived public channels are leaked to members of another team

Vendor Mattermost
Product Mattermost
Weakness CWE-284
Published January 2, 2024
Last update June 17, 2025
View on NVD All CVEs

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Mattermost fails to properly verify the permissions needed for viewing archived public channels,  allowing a member of one team to get details about the archived public channels of another team via the GET /api/v4/teams/<team-id>/channels/deleted endpoint.

Key dates

02Disclosure timeline

January 2, 2024 CVE published
June 17, 2025 Record updated