| CVE-2024-1887 | 中4.3 | Mattermost fails to check if compliance export is enabled when fetching posts of public channels allowing a user that is not a member of the public channel to fetch the posts, which will not be audited in the compliance export.
| 29/02/2024 |
| CVE-2024-1402 | 中4.3 | Mattermost fails to check if a custom emoji reaction exists when sending it to a post and to limit the amount of custom emojis allowed to be added in a post, allowing an attacker sending a huge amount of non-existent custom emojis in a post to crash the mobile app of a user seeing the post and to crash the server due t | 09/02/2024 |
| CVE-2024-24776 | 中4.3 | Mattermost fails to check the required permissions in the POST /api/v4/channels/stats/member_count API resulting in channel member counts being leaked to a user without permissions.
| 09/02/2024 |
| CVE-2023-50333 | 中4.3 | Mattermost fails to update the permissions of the current session for a user who was just demoted to guest, allowing freshly demoted guests to change group names.
| 02/01/2024 |
| CVE-2023-48732 | 中4.3 | Mattermost fails to scope the WebSocket response around notified users to a each user separately resulting in the WebSocket broadcasting the information about who was notified about a post to everyone else in the channel.
| 02/01/2024 |
| CVE-2023-47858 | 中4.3 | Mattermost fails to properly verify the permissions needed for viewing archived public channels, allowing a member of one team to get details about the archived public channels of another team via the GET /api/v4/teams/<team-id>/channels/deleted endpoint.
| 02/01/2024 |
| CVE-2023-7113 | 中6.1 | Mattermost version 8.1.6 and earlier fails to sanitize channel mention data in posts, which allows an attacker to inject markup in the web client.
| 29/12/2023 |
| CVE-2023-6459 | 中5.3 | Mattermost is grouping calls in the /metrics endpoint by id and reports that id in the response. Since this id is the channelID, the public /metrics endpoint is revealing channelIDs.
| 06/12/2023 |
| CVE-2023-6458 | 緊急9.8 | Mattermost webapp fails to validate route parameters in/<TEAM_NAME>/channels/<CHANNEL_NAME> allowing an attacker to perform a client-side path traversal.
| 06/12/2023 |
| CVE-2023-6202 | 中4.3 | Mattermost fails to perform proper authorization in the /plugins/focalboard/api/v2/users endpoint allowing an attacker who is a guest user and knows the ID of another user to get their information (e.g. name, surname, nickname) via Mattermost Boards.
| 27/11/2023 |
| CVE-2023-48369 | 中5.3 | Mattermost fails to limit the log size of server logs allowing an attacker sending specially crafted requests to different endpoints to potentially overflow the log.
| 27/11/2023 |
| CVE-2023-48268 | 高7.5 | Mattermost fails to limit the amount of data extracted from compressed archives during board import in Mattermost Boards allowing an attacker to consume excessive resources, possibly leading to Denial of Service, by importing a board using a specially crafted zip (zip bomb).
| 27/11/2023 |
| CVE-2023-47168 | 中6.1 | Mattermost fails to properly check a redirect URL parameter allowing for an open redirect was possible when the user clicked "Back to Mattermost" after providing a invalid custom url scheme in /oauth/{service}/mobile_login?redirect_to=
| 27/11/2023 |
| CVE-2023-45223 | 中4.3 | Mattermost fails to properly validate the "Show Full Name" option in a few endpoints in Mattermost Boards, allowing a member to get the full name of another user even if the Show Full Name option was disabled.
| 27/11/2023 |
| CVE-2023-43754 | 中4.3 | Mattermost fails to check whether the “Allow users to view archived channels” setting is enabled during permalink previews display, allowing members to view permalink previews of archived channels even if the “Allow users to view archived channels” setting is disabled.
| 27/11/2023 |
| CVE-2023-40703 | 高7.5 | Mattermost fails to properly limit the characters allowed in different fields of a block in Mattermost Boards allowing a attacker to consume excessive resources, possibly leading to Denial of Service, by patching the field of a block using a specially crafted string.
| 27/11/2023 |
| CVE-2023-35075 | 中5.4 | Mattermost fails to use innerText / textContent when setting the channel name in the webapp during autocomplete, allowing an attacker to inject HTML to a victim's page by create a channel name that is valid HTML. No XSS is possible though.
| 27/11/2023 |
| CVE-2023-47865 | 中4.3 | Mattermost fails to check if hardened mode is enabled when overriding the username and/or the icon when posting a post. If settings allowed integrations to override the username and profile picture when posting, a member could also override the username and icon when making a post even if the Hardened Mode setting was | 27/11/2023 |
| CVE-2023-5969 | 中5.3 | 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.
| 06/11/2023 |
| CVE-2023-5968 | 中4.9 | Mattermost fails to properly sanitize the user object when updating the username, resulting in the password hash being included in the response body.
| 06/11/2023 |