Vulnerabilities > Mattermost

DATE CVE VULNERABILITY TITLE RISK
2023-08-11 CVE-2023-4106 Missing Authorization vulnerability in Mattermost
Mattermost fails to check if the requesting user is a guest before performing different actions to public playbooks, resulting a guest being able to view, join, edit, export and archive public playbooks.
network
low complexity
mattermost CWE-862
6.5
2023-08-11 CVE-2023-4107 Incorrect Authorization vulnerability in Mattermost
Mattermost fails to properly validate the requesting user permissions when updating a system admin, allowing a user manager to update a system admin's details such as email, first name and last name.
network
low complexity
mattermost CWE-863
6.5
2023-08-11 CVE-2023-4108 Information Exposure Through Log Files vulnerability in Mattermost
Mattermost fails to sanitize post metadata during audit logging resulting in permalinks contents being logged
network
low complexity
mattermost CWE-532
7.5
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