1633 matches found
CVE-2025-3230 Bypass of System Admin User Deactivation Controls for Personal Access Tokens in Mattermost Server
Mattermost versions 10.7.x = 10.7.0, 10.6.x = 10.6.2, 10.5.x = 10.5.3, 9.11.x = 9.11.12 fails to properly invalidate personal access tokens upon user deactivation, allowing deactivated users to maintain full system access by exploiting access token validation flaws via continued usage of previous...
CVE-2025-3230 Bypass of System Admin User Deactivation Controls for Personal Access Tokens in Mattermost Server
Mattermost versions 10.7.x = 10.7.0, 10.6.x = 10.6.2, 10.5.x = 10.5.3, 9.11.x = 9.11.12 fails to properly invalidate personal access tokens upon user deactivation, allowing deactivated users to maintain full system access by exploiting access token validation flaws via continued usage of previous...
CVE-2025-3913 Team Privacy Settings Authorization Bypass in Mattermost Server
Mattermost versions 10.7.x = 10.7.0, 10.6.x = 10.6.2, 10.5.x = 10.5.3, 9.11.x = 9.11.12 fail to properly validate permissions when changing team privacy settings, allowing team administrators without the 'invite user' permission to access and modify team invite IDs via the...
CVE-2025-3913 Team Privacy Settings Authorization Bypass in Mattermost Server
Mattermost versions 10.7.x = 10.7.0, 10.6.x = 10.6.2, 10.5.x = 10.5.3, 9.11.x = 9.11.12 fail to properly validate permissions when changing team privacy settings, allowing team administrators without the 'invite user' permission to access and modify team invite IDs via the...
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
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
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-2024-28053
Resource Exhaustion in Mattermost Server versions 8.1.x before 8.1.10 fails to limit the size of the payload that can be read and parsed allowing an attacker to send a very large email payload and crash the server...
CVE-2023-2514
Mattermost Sever fails to redact the DB username and password before emitting an application log during server initialization...
CVE-2020-14457
An issue was discovered in Mattermost Server before 5.20.0. Non-members can receive broadcasted team details via the updateteam WebSocket event, aka MMSA-2020-0012...
CVE-2020-14458
An issue was discovered in Mattermost Server before 5.19.0. Attackers can discover private channels via the "get channel by name" API, aka MMSA-2020-0004...
CVE-2020-14450
An issue was discovered in Mattermost Server before 5.22.0. The markdown renderer allows attackers to cause a denial of service client-side, aka MMSA-2020-0017...
CVE-2020-14453
An issue was discovered in Mattermost Server before 5.21.0. Socket read operations are not appropriately restricted, which allows attackers to cause a denial of service, aka MMSA-2020-0005...
CVE-2020-14452
An issue was discovered in Mattermost Server before 5.21.0. mmctl allows directory traversal via HTTP, aka MMSA-2020-0014...
CVE-2020-14448
An issue was discovered in Mattermost Server before 5.23.0. Automatic direct message replies allow attackers to cause a denial of service infinite loop, aka MMSA-2020-0020...
CVE-2020-14447
An issue was discovered in Mattermost Server before 5.23.0. Large webhook requests allow attackers to cause a denial of service infinite loop, aka MMSA-2020-0021...
CVE-2020-14459
An issue was discovered in Mattermost Server before 5.19.0. Attackers can rename a channel and cause a collision with a direct message, aka MMSA-2020-0002...
CVE-2020-14460
An issue was discovered in Mattermost Server before 5.19.0, 5.18.1, 5.17.3, 5.16.5, and 5.9.8. Creation of a trusted OAuth application does not always require admin privileges, aka MMSA-2020-0001...