Mattermost: >> Mattermost Server Security Vulnerabilities
Mattermost Boards fail to properly validate a board link, allowing an attacker to crash a channel by posting a specially crafted boards link.
CVSS Score
4.3
EPSS Score
0.001
Published
2023-07-17
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.
CVSS Score
4.2
EPSS Score
0.002
Published
2023-07-17
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.
CVSS Score
2.7
EPSS Score
0.001
Published
2023-07-17
Mattermost fails to delete card attachments in Boards, allowing an attacker to access deleted attachments.
CVSS Score
3.1
EPSS Score
0.003
Published
2023-07-17
Mattermost fails to invalidate previously generated password reset tokens when a new reset token was created.
CVSS Score
4.8
EPSS Score
0.002
Published
2023-07-17
Mattermost fails to restrict a user with permissions to edit other users and to create personal access tokens from elevating their privileges to system admin
CVSS Score
4.7
EPSS Score
0.001
Published
2023-05-12
When archiving a team, Mattermost fails to sanitize the related Websocket event sent to currently connected clients. This allows the clients to see the name, display name, description, and other data about the archived team.
CVSS Score
3.1
EPSS Score
0.003
Published
2023-04-25
Mattermost fails to redact from audit logs the user password during user creation and the user password hash in other operations if the experimental audit logging configuration was enabled (ExperimentalAuditSettings section in config).
CVSS Score
7.2
EPSS Score
0.001
Published
2023-04-17
When processing an email invite to a private channel on a team, Mattermost fails to validate the inviter's permission to that channel, allowing an attacker to invite themselves to a private channel.
CVSS Score
4.2
EPSS Score
0.002
Published
2023-03-31
When running in a High Availability configuration, Mattermost fails to sanitize some of the user_updated and post_deleted events broadcast to all users, leading to disclosure of sensitive information to some of the users with currently connected Websocket clients.
CVSS Score
4.3
EPSS Score
0.002
Published
2023-03-31