Vulnerabilities > Mattermost > Mattermost Server

DATE CVE VULNERABILITY TITLE RISK
2023-10-09 CVE-2023-5333 Unspecified vulnerability in Mattermost Server
Mattermost fails to deduplicate input IDs allowing a simple user to cause the application to consume excessive resources and possibly crash by sending a specially crafted request to /api/v4/users/ids with multiple identical IDs.
network
low complexity
mattermost
6.5
2023-08-25 CVE-2023-4478 Injection vulnerability in Mattermost Server
Mattermost fails to restrict which parameters' values it takes from the request during signup allowing an attacker to register users as inactive, thus blocking them from later accessing Mattermost without the system admin activating their accounts.
network
low complexity
mattermost CWE-74
8.2
2023-07-17 CVE-2023-3577 Server-Side Request Forgery (SSRF) vulnerability in Mattermost Server
Mattermost fails to properly restrict requests to localhost/intranet during the interactive dialog, which could allow an attacker to perform a limited blind SSRF.
network
low complexity
mattermost CWE-918
4.3
2023-07-17 CVE-2023-3581 Origin Validation Error vulnerability in Mattermost Server
Mattermost fails to properly validate the origin of a websocket connection allowing a MITM attacker on Mattermost to access the websocket APIs.
network
high complexity
mattermost CWE-346
8.1
2023-07-17 CVE-2023-3582 Incorrect Authorization vulnerability in Mattermost Server
Mattermost fails to verify channel membership when linking a board to a channel allowing a low-privileged authenticated user to link a Board to a private channel they don't have access to, 
network
low complexity
mattermost CWE-863
4.3
2023-07-17 CVE-2023-3584 Incorrect Authorization vulnerability in Mattermost Server
Mattermost fails to properly check the authorization of POST /api/v4/teams when passing a team override scheme ID in the request, allowing an authenticated attacker with knowledge of a Team Override Scheme ID to create a new team with said team override scheme.
network
high complexity
mattermost CWE-863
3.1
2023-07-17 CVE-2023-3585 Resource Exhaustion vulnerability in Mattermost Server
Mattermost Boards fail to properly validate a board link, allowing an attacker to crash a channel by posting a specially crafted boards link.
network
low complexity
mattermost CWE-400
4.3
2023-07-17 CVE-2023-3586 Incorrect Authorization vulnerability in Mattermost Server
Mattermost fails to disable public Boards after the "Enable Publicly-Shared Boards" configuration option is disabled, resulting in previously-shared public Boards to remain accessible.
network
low complexity
mattermost CWE-863
5.4
2023-07-17 CVE-2023-3587 Missing Authorization vulnerability in Mattermost Server
Mattermost fails to properly show information in the UI, allowing a system admin to modify a board state allowing any user with a valid sharing link to join the board with editor access, without the UI showing the updated permissions.
network
low complexity
mattermost CWE-862
2.7
2023-07-17 CVE-2023-3590 Incorrect Authorization vulnerability in Mattermost Server 7.10.0/7.10.1/7.10.2
Mattermost fails to delete card attachments in Boards, allowing an attacker to access deleted attachments.
network
low complexity
mattermost CWE-863
7.5