Vulnerabilities (CVE)

Filtered by vendor Mattermost Subscribe
Filtered by product Mattermost
Total 76 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2023-5969 1 Mattermost 1 Mattermost 2024-02-28 N/A 5.3 MEDIUM
Mattermost fails to properly sanitize the request to /api/v4/redirect_location allowing an attacker, sending a specially crafted request to /api/v4/redirect_location, to fill up the memory due to caching large items.
CVE-2023-4105 1 Mattermost 1 Mattermost 2024-02-28 N/A 4.3 MEDIUM
Mattermost fails to delete the attachments when deleting a message in a thread allowing a simple user to still be able to access and download the attachment of a deleted message
CVE-2023-5967 1 Mattermost 1 Mattermost 2024-02-28 N/A 4.3 MEDIUM
Mattermost fails to properly validate requests to the Calls plugin, allowing an attacker sending a request without a User Agent header to cause a panic and crash the Calls plugin
CVE-2023-4107 1 Mattermost 1 Mattermost 2024-02-28 N/A 6.5 MEDIUM
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.
CVE-2023-2791 1 Mattermost 1 Mattermost 2024-02-28 N/A 4.3 MEDIUM
When creating a playbook run via the /dialog API, Mattermost fails to validate all parameters, allowing an authenticated attacker to edit an arbitrary channel post.
CVE-2023-2787 1 Mattermost 1 Mattermost 2024-02-28 N/A 6.5 MEDIUM
Mattermost fails to check channel membership when accessing message threads, allowing an attacker to access arbitrary posts by using the message threads API.
CVE-2023-2193 1 Mattermost 1 Mattermost 2024-02-28 N/A 9.1 CRITICAL
Mattermost fails to invalidate existing authorization codes when deauthorizing an OAuth2 app, allowing an attacker possessing an authorization code to generate an access token.
CVE-2023-2792 1 Mattermost 1 Mattermost 2024-02-28 N/A 6.5 MEDIUM
Mattermost fails to sanitize ephemeral error messages, allowing an attacker to obtain arbitrary message contents by a specially crafted /groupmsg command.
CVE-2023-1562 1 Mattermost 1 Mattermost 2024-02-28 N/A 4.3 MEDIUM
Mattermost fails to check the "Show Full Name" setting when rendering the result for the /plugins/focalboard/api/v2/users API call, allowing an attacker to learn the full name of a board owner.
CVE-2023-2786 1 Mattermost 1 Mattermost 2024-02-28 N/A 4.3 MEDIUM
Mattermost fails to properly check the permissions when executing commands allowing a member with no permissions to post a message in a channel to actually post it by executing channel commands.
CVE-2023-2793 1 Mattermost 1 Mattermost 2024-02-28 N/A 6.5 MEDIUM
Mattermost fails to validate links on external websites when constructing a preview for a linked website, allowing an attacker to cause a denial-of-service by a linking to a specially crafted webpage in a message.
CVE-2023-2808 1 Mattermost 1 Mattermost 2024-02-28 N/A 5.3 MEDIUM
Mattermost fails to normalize UTF confusable characters when determining if a preview should be generated for a hyperlink, allowing an attacker to trigger link preview on a disallowed domain using a specially crafted link.
CVE-2023-2831 1 Mattermost 1 Mattermost 2024-02-28 N/A 6.5 MEDIUM
Mattermost fails to unescape Markdown strings in a memory-efficient way, allowing an attacker to cause a Denial of Service by sending a message containing a large number of escaped characters.
CVE-2023-2783 1 Mattermost 1 Mattermost 2024-02-28 N/A 4.3 MEDIUM
Mattermost Apps Framework fails to verify that a secret provided in the incoming webhook request allowing an attacker to modify the contents of the post sent by the Apps.
CVE-2023-2514 1 Mattermost 1 Mattermost 2024-02-28 N/A 7.5 HIGH
Mattermost Sever fails to redact the DB username and password before emitting an application log during server initialization. 
CVE-2023-2797 1 Mattermost 1 Mattermost 2024-02-28 N/A 6.5 MEDIUM
Mattermost fails to sanitize code permalinks, allowing an attacker to preview code from private repositories by posting a specially crafted permalink on a channel.
CVE-2023-2784 1 Mattermost 1 Mattermost 2024-02-28 N/A 6.5 MEDIUM
Mattermost fails to verify if the requestor is a sysadmin or not, before allowing `install` requests to the Apps allowing a regular user send install requests to the Apps.
CVE-2023-2788 1 Mattermost 1 Mattermost 2024-02-28 N/A 6.5 MEDIUM
Mattermost fails to check if an admin user account active after an oauth2 flow is started, allowing an attacker with admin privileges to retain persistent access to Mattermost by obtaining an oauth2 access token while the attacker's account is deactivated.
CVE-2023-2785 1 Mattermost 1 Mattermost 2024-02-28 N/A 4.3 MEDIUM
Mattermost fails to properly truncate the postgres error log message of a search query failure allowing an attacker to cause the creation of large log files which can result in Denial of Service
CVE-2023-27263 1 Mattermost 1 Mattermost 2024-02-28 N/A 6.5 MEDIUM
A missing permissions check in the /plugins/playbooks/api/v0/runs API in Mattermost allows an attacker to list and view playbooks belonging to a team they are not a member of.