Improper Access Control

Mattermost Server is vulnerable to Improper Access Control . The vulnerability is caused due to a lack of proper access control in the SanitizeTeam function within team.go. This allows an attacker to invite others to the team, bypassing intended access controls and permissions...

Improper Access Control

github.com/mattermost/mattermost-server is vulnerable to Improper Access Control. The vulnerability is due to a flaw that allows an attacker in a channel with an active call to remain in the call even after being removed from the channel...

GHSA-W67V-PH4X-F48Q Mattermost Server Improper Access Control

Improper Access Control in Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 lacked proper access control in the /api/v4/users/me/teams endpoint allowing a team admin to get the invite ID of their team, thus allowing them to invite users,...

Mattermost Server doesn't limit the number of user preferences

Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 don't limit the number of user preferences which allows an attacker to send a large number of user preferences potentially causing denial of service...

Mattermost Server Improper Access Control

Improper Access Control in Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 lacked proper access control in the /api/v4/users/me/teams endpoint allowing a team admin to get the invite ID of their team, thus allowing them to invite users,...

GHSA-MCW6-3256-64GG Mattermost Server doesn't limit the number of user preferences

Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 don't limit the number of user preferences which allows an attacker to send a large number of user preferences potentially causing denial of service...

CVE-2024-21848

Improper Access Control in Mattermost Server versions 8.1.x before 8.1.11 allows an attacker that is in a channel with an active call to keep participating in the call even if they are removed from the channel...

CVE-2024-29221

CVE-2024-29221 (Mattermost Server) describes improper access control in the /api/v4/users/me/teams endpoint, where a team admin could obtain the team invite ID and invite users despite lacking the Add Members permission. Affected versions include 8.1.x before 8.1.11, 9.x before 9.3.3/9.4.4/9.5.2....

CVE-2024-29221 Invite ID available to team admins even without the "Add Members" permission

Improper Access Control in Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 lacked proper access control in the /api/v4/users/me/teams endpoint allowing a team admin to get the invite ID of their team, thus allowing them to invite users,...

CVE-2024-29221 Invite ID available to team admins even without the "Add Members" permission

Improper Access Control in Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 lacked proper access control in the /api/v4/users/me/teams endpoint allowing a team admin to get the invite ID of their team, thus allowing them to invite users,...

CVE-2024-29221 Invite ID available to team admins even without the "Add Members" permission

Improper Access Control in Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 lacked proper access control in the /api/v4/users/me/teams endpoint allowing a team admin to get the invite ID of their team, thus allowing them to invite users,...

CVE-2024-28949 DoS via a large number of User Preferences

Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 don't limit the number of user preferences which allows an attacker to send a large number of user preferences potentially causing denial of service...

CVE-2024-28949 DoS via a large number of User Preferences

Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 don't limit the number of user preferences which allows an attacker to send a large number of user preferences potentially causing denial of service...

CVE-2024-28949 DoS via a large number of User Preferences

Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 don't limit the number of user preferences which allows an attacker to send a large number of user preferences potentially causing denial of service...

CVE-2024-21848 Users maintain access to active call after being removed from a channel

Improper Access Control in Mattermost Server versions 8.1.x before 8.1.11 allows an attacker that is in a channel with an active call to keep participating in the call even if they are removed from the channel...

CVE-2024-21848 Users maintain access to active call after being removed from a channel

Improper Access Control in Mattermost Server versions 8.1.x before 8.1.11 allows an attacker that is in a channel with an active call to keep participating in the call even if they are removed from the channel...

CVE-2024-21848

Mattermost Server 8.1.x is affected by CVE-2024-21848 due to an improper access control flaw. If an attacker is in a channel with an active call, they can continue participating in the call even after being removed from the channel, up to versions before 8.1.11. Remediation is to upgrade to 8.1.1...

CVE-2024-21848 Users maintain access to active call after being removed from a channel

Improper Access Control in Mattermost Server versions 8.1.x before 8.1.11 allows an attacker that is in a channel with an active call to keep participating in the call even if they are removed from the channel...

Mattermost Server 安全漏洞

Mattermost Server is an open source messaging platform from Mattermost, Inc. in the United States. A security vulnerability exists in Mattermost Server versions prior to 9.5.2, prior to 9.4.4, prior to 9.3.3, and prior to 8.1.11, which stems from a lack of proper access control in /api/v4/, where...

PT-2024-22638 · Mattermost · Mattermost Server

Name of the Vulnerable Software and Affected Versions: Mattermost Server versions 8.1.x through 8.1.10 Mattermost Server versions 9.3.x through 9.3.2 Mattermost Server versions 9.4.x through 9.4.3 Mattermost Server versions 9.5.x through 9.5.1 Description: The issue arises because Mattermost Serv...