CVE-2023-47858

Medium

Description

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.

SeverityMedium
CVSS4.3
Exploit probability—
ProductMattermost Server
PublishedJan 2, 2024
First seenJan 2, 2024

How to fix

Update
  • mattermost mattermost_server8.1.7, 9.0.5, 9.1.4, 9.2.3 or later
  • github.com/mattermost/mattermost-server/v67.8.10 or later
  • github.com/mattermost/mattermost/server/v88.1.1 or later

Affected products

ProductAffected versionsFixed in
mattermost mattermost_serverv < 8.1.7, 9.0.0 ≤ v < 9.0.5, 9.1.0 ≤ v < 9.1.4, 9.2.0 ≤ v < 9.2.38.1.7, 9.0.5, 9.1.4, 9.2.3
github.com/mattermost/mattermost-server/v6Gov < 7.8.10, No range specified7.8.10
github.com/mattermost/mattermost/server/v8Gov < 8.1.1, No range specified8.1.1
github.com/mattermost/mattermost-serverGoNo range specified—
github.com/mattermost/mattermost-server/v5GoNo range specified—

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