Vulnerabilities (CVE)

Filtered by vendor Mattermost Subscribe
Total 288 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2023-49874 1 Mattermost 1 Mattermost Server 2023-12-14 N/A 4.3 MEDIUM
Mattermost fails to check whether a user is a guest when updating the tasks of a private playbook run allowing a guest to update the tasks of a private playbook run if they know the run ID.
CVE-2023-49809 1 Mattermost 1 Mattermost Server 2023-12-14 N/A 6.5 MEDIUM
Mattermost fails to handle a null request body in the /add endpoint, allowing a simple member to send a request with null request body to that endpoint and make it crash. After a few repetitions, the plugin is disabled. 
CVE-2023-49607 1 Mattermost 1 Mattermost Server 2023-12-14 N/A 7.5 HIGH
Mattermost fails to validate the type of the "reminder" body request parameter allowing an attacker to crash the Playbook Plugin when updating the status dialog.
CVE-2023-45847 1 Mattermost 1 Mattermost Server 2023-12-14 N/A 7.5 HIGH
Mattermost fails to to check the length when setting the title in a run checklist in Playbooks, allowing an attacker to send a specially crafted request and crash the Playbooks plugin
CVE-2023-46701 1 Mattermost 1 Mattermost Server 2023-12-14 N/A 5.3 MEDIUM
Mattermost fails to perform authorization checks in the /plugins/playbooks/api/v0/runs/add-to-timeline-dialog endpoint of the Playbooks plugin allowing an attacker to get limited information about a post if they know the post ID
CVE-2023-6459 1 Mattermost 1 Mattermost Server 2023-12-12 N/A 5.3 MEDIUM
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.
CVE-2023-6458 1 Mattermost 1 Mattermost Server 2023-12-12 N/A 9.8 CRITICAL
Mattermost webapp fails to validate route parameters in/<TEAM_NAME>/channels/<CHANNEL_NAME> allowing an attacker to perform a client-side path traversal.
CVE-2023-6202 1 Mattermost 1 Mattermost 2023-12-01 N/A 4.3 MEDIUM
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.
CVE-2023-48369 1 Mattermost 1 Mattermost 2023-12-01 N/A 5.3 MEDIUM
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.
CVE-2023-48268 1 Mattermost 1 Mattermost 2023-12-01 N/A 7.5 HIGH
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).
CVE-2023-47168 1 Mattermost 1 Mattermost 2023-12-01 N/A 6.1 MEDIUM
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=
CVE-2023-45223 1 Mattermost 1 Mattermost 2023-12-01 N/A 4.3 MEDIUM
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. 
CVE-2023-43754 1 Mattermost 1 Mattermost 2023-12-01 N/A 4.3 MEDIUM
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. 
CVE-2023-47865 1 Mattermost 1 Mattermost 2023-12-01 N/A 4.3 MEDIUM
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 enabled
CVE-2023-40703 1 Mattermost 1 Mattermost 2023-12-01 N/A 7.5 HIGH
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. 
CVE-2023-35075 1 Mattermost 1 Mattermost 2023-11-30 N/A 5.4 MEDIUM
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. 
CVE-2023-5967 1 Mattermost 1 Mattermost 2023-11-14 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-2023-5968 1 Mattermost 1 Mattermost 2023-11-14 N/A 4.9 MEDIUM
Mattermost fails to properly sanitize the user object when updating the username, resulting in the password hash being included in the response body. 
CVE-2023-5969 1 Mattermost 1 Mattermost 2023-11-14 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-2023-5920 2 Apple, Mattermost 2 Macos, Mattermost Desktop 2023-11-09 N/A 3.3 LOW
Mattermost Desktop for MacOS fails to utilize the secure keyboard input functionality provided by macOS, allowing for other processes to read the keyboard input.