16 matches found
Mattermost Server < 11.0.0 Multiple Vulnerabilities (MMSA-2024-00337, MMSA-2025-00493, MMSA-2025-00540)
The version of Mattermost Server installed on the remote host is affected by multiple vulnerabilities as referenced in the MMSA-2024-00337, MMSA-2025-00493, MMSA-2025-00540 advisory. - Mattermost versions 11 fail to properly restrict access to archived channel search API which allows guest users ...
CVE-2025-41436
Mattermost versions 11.0 fail to properly enforce the "Allow users to view archived channels" setting which allows regular users to access archived channel content and files via the "Open in Channel" functionality from followed threads...
EUVD-2025-186557
Mattermost versions 11.0 fail to properly enforce the "Allow users to view archived channels" setting which allows regular users to access archived channel content and files via the "Open in Channel" functionality from followed threads...
EUVD-2021-24342
Malware in sbrugna...
CVE-2024-47145
Mattermost versions 9.5.x = 9.5.8 fail to properly authorize access to archived channels when viewing archived channels is disabled, which allows an attacker to view posts and files of archived channels via file links...
CVE-2025-27571
Mattermost versions 10.5.x = 10.5.1, 10.4.x = 10.4.3, 9.11.x = 9.11.9 fail to check the "Allow Users to View Archived Channels" configuration when fetching channel metadata of a post from archived channels, which allows authenticated users to access such information when a channel is archived...
Mattermost Server 9.11.x < 9.11.10 / 10.4.x < 10.4.4 / 10.5.x < 10.5.2 / 10.6.0 (MMSA-2025-00436)
The version of Mattermost Server installed on the remote host is prior to 9.11.10, 10.4.4, or 10.5.2 / 10.6.0. It is, therefore, affected by a vulnerability as referenced in the MMSA-2025-00436 advisory. - Mattermost versions 10.5.x = 10.5.1, 10.4.x = 10.4.3, 9.11.x = 9.11.9 fail to properly...
Mattermost Incorrect Authorization vulnerability
Mattermost versions 10.5.x = 10.5.1, 10.4.x = 10.4.3, 9.11.x = 9.11.9 fail to properly enforce the 'Allow users to view/update archived channels' System Console setting, which allows authenticated users to view members and member information of archived channels even when this setting is disabled...
CVE-2025-2564
Mattermost versions 10.5.x = 10.5.1, 10.4.x = 10.4.3, 9.11.x = 9.11.9 fail to properly enforce the 'Allow users to view/update archived channels' System Console setting, which allows authenticated users to view members and member information of archived channels even when this setting is disabled...
Mattermost Incorrect Authorization vulnerability
Mattermost versions 10.5.x = 10.5.1, 10.4.x = 10.4.3, 9.11.x = 9.11.9 fail to check the "Allow Users to View Archived Channels" configuration when fetching channel metadata of a post from archived channels, which allows authenticated users to access such information when a channel is archived...
CVE-2025-27571 Channel metadata visible in archived channels despite configuration setting
Mattermost versions 10.5.x = 10.5.1, 10.4.x = 10.4.3, 9.11.x = 9.11.9 fail to check the "Allow Users to View Archived Channels" configuration when fetching channel metadata of a post from archived channels, which allows authenticated users to access such information when a channel is archived...
CVE-2025-27571 Channel metadata visible in archived channels despite configuration setting
Mattermost versions 10.5.x = 10.5.1, 10.4.x = 10.4.3, 9.11.x = 9.11.9 fail to check the "Allow Users to View Archived Channels" configuration when fetching channel metadata of a post from archived channels, which allows authenticated users to access such information when a channel is archived...
CVE-2025-27571
CVE-2025-27571 affects Mattermost Server versions 9.11.x <= 9.11.9, 10.4.x <= 10.4.3, and 10.5.x
Incorrect Authorization
Mattermost is vulnerable to Incorrect Authorization. The vulnerability is due to improper restriction of command execution due to a flaw that allows authenticated users to run commands in archived channels...
Mattermost Fails to Restrict Command Execution in Archived Channels
Mattermost versions 10.4.x = 10.4.2, 10.3.x = 10.3.3, 9.11.x = 9.11.8 fail to restrict command execution in archived channels, which allows authenticated users to run commands in archived channels...
Mattermost fails to restrict channel export of archived channels
Mattermost versions 10.1.x = 10.1.3, 10.4.x = 10.4.1, 9.11.x = 9.11.7, 10.3.x = 10.3.2, 10.2.x = 10.2.2 fail to restrict channel export of archived channels when the "Allow users to view archived channels" is disabled which allows a user to export channel contents when they shouldn't have access ...