Incorrect Authorization

Overview github.com/mattermost/mattermost/server/v8/channels/api4 is a platform for secure collaboration across the entire software development lifecycle Affected versions of this package are vulnerable to Incorrect Authorization in command.go that allows a user to execute commands on archived...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function due to servePluginRequest failing to enforce multifactor authentication for plugins, even when MFA is meant to be enabled. Remediation Upgrade...

GHSA-RP74-X43M-CPW3 Mattermost Fails to Restrict Bookmark Creation and Updates in Archived Channels

Mattermost versions 10.4.x = 10.4.2, 10.3.x = 10.3.3, 9.11.x = 9.11.8, 10.5.x = 10.5.0 fail to restrict bookmark creation and updates in archived channels, which allows authenticated users created or update bookmarked in archived channels...

Mattermost Fails to Restrict Bookmark Creation and Updates in Archived Channels

Mattermost versions 10.4.x = 10.4.2, 10.3.x = 10.3.3, 9.11.x = 9.11.8, 10.5.x = 10.5.0 fail to restrict bookmark creation and updates in archived channels, which allows authenticated users created or update bookmarked in archived channels...

GHSA-4V65-XQCJ-WPGG 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 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...

CVE-2025-24920

Mattermost versions 10.4.x = 10.4.2, 10.3.x = 10.3.3, 9.11.x = 9.11.8, 10.5.x = 10.5.0 fail to restrict bookmark creation and updates in archived channels, which allows authenticated users created or update bookmarked in archived channels...

CVE-2025-25274

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...

CVE-2025-24920 Unauthorized Bookmark Creation and Modification in Archived Channels

Mattermost versions 10.4.x = 10.4.2, 10.3.x = 10.3.3, 9.11.x = 9.11.8, 10.5.x = 10.5.0 fail to restrict bookmark creation and updates in archived channels, which allows authenticated users created or update bookmarked in archived channels...

CVE-2025-24920

CVE-2025-24920 concerns Mattermost Server where versions 9.11.x ≤ 9.11.8, 10.3.x ≤ 10.3.3, 10.4.x ≤ 10.4.2, and 10.5.x ≤ 10.5.0 fail to restrict bookmark creation and updates in archived channels. The result is that authenticated users can create or update bookmarks within archived channels (per ...

CVE-2025-24920

Mattermost versions 10.4.x = 10.4.2, 10.3.x = 10.3.3, 9.11.x = 9.11.8, 10.5.x = 10.5.0 fail to restrict bookmark creation and updates in archived channels, which allows authenticated users created or update bookmarked in archived channels...

CVE-2025-24920 Unauthorized Bookmark Creation and Modification in Archived Channels

Mattermost versions 10.4.x = 10.4.2, 10.3.x = 10.3.3, 9.11.x = 9.11.8, 10.5.x = 10.5.0 fail to restrict bookmark creation and updates in archived channels, which allows authenticated users created or update bookmarked in archived channels...

CVE-2025-24920 Unauthorized Bookmark Creation and Modification in Archived Channels

Mattermost versions 10.4.x = 10.4.2, 10.3.x = 10.3.3, 9.11.x = 9.11.8, 10.5.x = 10.5.0 fail to restrict bookmark creation and updates in archived channels, which allows authenticated users created or update bookmarked in archived channels...

CVE-2025-25274 Unauthorized 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...

CVE-2025-25274

Mattermost Server contains a vulnerability CVE-2025-25274 in archived channels: versions 10.4.x (≤10.4.2), 10.3.x (≤10.3.3), and 9.11.x (≤9.11.8) fail to restrict command execution, allowing authenticated users to run commands in archived channels. Root cause is improper access control around arc...

CVE-2025-25274 Unauthorized 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...

CVE-2025-25274

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...

CVE-2025-25274 Unauthorized 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...

CVE-2025-27933

Mattermost CVE-2025-27933 affects Mattermost Server 9.11.x <= 9.11.8, 10.3.x <= 10.3.3, and 10.4.x

CVE-2025-27715 Auto-Enrollment of Team Admins into Private Channels without explicit consent

Mattermost versions 9.11.x = 9.11.8 fail to prompt for explicit approval before adding a team admin to a private channel, which team admins to joining private channels via crafted permalink links without explicit consent from them...