Vulnerabilities (CVE)

Filtered by vendor Mattermost
Filtered by product Mattermost Server
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Total 359 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2023-49607 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 4.3 MEDIUM
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-2023-48732 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 4.3 MEDIUM
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.
CVE-2023-47858 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 4.3 MEDIUM
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.
CVE-2023-46701 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 6.5 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-2023-45847 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 4.3 MEDIUM
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-2023-45316 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 7.3 HIGH
Mattermost fails to validate if a relative path is passed in /plugins/playbooks/api/v0/telemetry/run/<telem_run_id> as a telemetry run ID, allowing an attacker to use a path traversal payload that points to a different endpoint leading to a CSRF attack.
CVE-2023-3614 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 4.3 MEDIUM
Mattermost fails to properly validate a gif image file, allowing an attacker to consume a significant amount of server resources, making the server unresponsive for an extended period of time by linking to specially crafted image file.
CVE-2023-3613 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 3.5 LOW
Mattermost WelcomeBot plugin fails to to validate the membership status when inviting or adding users to channels allowing guest accounts to be added or invited to channels by default.
CVE-2023-3593 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 4.3 MEDIUM
Mattermost fails to properly validate markdown, allowing an attacker to crash the server via a specially crafted markdown input.
CVE-2023-3591 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 4.8 MEDIUM
Mattermost fails to invalidate previously generated password reset tokens when a new reset token was created.
CVE-2023-3590 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 3.1 LOW
Mattermost fails to delete card attachments in Boards, allowing an attacker to access deleted attachments.
CVE-2023-3587 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 2.7 LOW
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.
CVE-2023-3586 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 4.2 MEDIUM
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.
CVE-2023-3585 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 4.3 MEDIUM
Mattermost Boards fail to properly validate a board link, allowing an attacker to crash a channel by posting a specially crafted boards link.
CVE-2023-3584 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 3.1 LOW
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.
CVE-2023-3582 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 4.3 MEDIUM
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, 
CVE-2023-3581 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 6.2 MEDIUM
Mattermost fails to properly validate the origin of a websocket connection allowing a MITM attacker on Mattermost to access the websocket APIs.
CVE-2023-3577 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 3.5 LOW
Mattermost fails to properly restrict requests to localhost/intranet during the interactive dialog, which could allow an attacker to perform a limited blind SSRF.
CVE-2023-2515 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 4.7 MEDIUM
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
CVE-2023-2281 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 3.1 LOW
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.
CVE-2023-27266 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 2.7 LOW
Mattermost fails to honor the ShowEmailAddress setting when constructing a response to the /api/v4/users/me/teams API endpoint, allowing an attacker with team admin privileges to learn the team owner's email address in the response.
CVE-2023-27265 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 2.7 LOW
Mattermost fails to honor the ShowEmailAddress setting when constructing a response to the "Regenerate Invite Id" API endpoint, allowing an attacker with team admin privileges to learn the team owner's email address in the response.
CVE-2023-1831 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 7.2 HIGH
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).
CVE-2023-1777 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 6.5 MEDIUM
Mattermost allows an attacker to request a preview of an existing message when creating a new message via the createPost API call, disclosing the contents of the linked message.
CVE-2023-1776 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 7.3 HIGH
Boards in Mattermost allows an attacker to upload a malicious SVG image file as an attachment to a card and share it using a direct link to the file.
CVE-2023-1775 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 4.3 MEDIUM
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.
CVE-2023-1774 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 4.2 MEDIUM
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.
CVE-2023-1421 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 3.5 LOW
A reflected cross-site scripting vulnerability in the OAuth flow completion endpoints in Mattermost allows an attacker to send AJAX requests on behalf of the victim via sharing a crafted link with a malicious state parameter.
CVE-2022-3257 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 3.1 LOW
Mattermost version 7.1.x and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service.
CVE-2022-3147 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 3.1 LOW
Mattermost version 7.0.x and earlier fails to sufficiently limit the in-memory sizes of concurrently uploaded JPEG images, which allows authenticated users to cause resource exhaustion on specific system configurations, resulting in server-side Denial of Service.
CVE-2022-2401 1 Mattermost 1 Mattermost Server 2024-11-21 N/A 6.5 MEDIUM
Unrestricted information disclosure of all users in Mattermost version 6.7.0 and earlier allows team members to access some sensitive information by directly accessing the APIs.
CVE-2022-2366 1 Mattermost 1 Mattermost Server 2024-11-21 5.0 MEDIUM 5.6 MEDIUM
Incorrect default configuration for trusted IP header in Mattermost version 6.7.0 and earlier allows attacker to bypass some of the rate limitations in place or use manipulated IPs for audit logging via manipulating the request headers.
CVE-2022-1982 1 Mattermost 1 Mattermost Server 2024-11-21 4.0 MEDIUM 4.3 MEDIUM
Uncontrolled resource consumption in Mattermost version 6.6.0 and earlier allows an authenticated attacker to crash the server via a crafted SVG attachment on a post.
CVE-2022-1385 1 Mattermost 1 Mattermost Server 2024-11-21 5.8 MEDIUM 3.7 LOW
Mattermost 6.4.x and earlier fails to properly invalidate pending email invitations when the action is performed from the system console, which allows accidentally invited users to join the workspace and access information from the public teams and channels.
CVE-2022-1384 1 Mattermost 1 Mattermost Server 2024-11-21 6.0 MEDIUM 4.7 MEDIUM
Mattermost version 6.4.x and earlier fails to properly check the plugin version when a plugin is installed from the Marketplace, which allows an authenticated and an authorized user to install and exploit an old plugin version from the Marketplace which might have known vulnerabilities.
CVE-2022-1337 1 Mattermost 1 Mattermost Server 2024-11-21 4.0 MEDIUM 4.3 MEDIUM
The image proxy component in Mattermost version 6.4.1 and earlier allocates memory for multiple copies of a proxied image, which allows an authenticated attacker to crash the server via links to very large image files.
CVE-2022-1332 1 Mattermost 1 Mattermost Server 2024-11-21 4.0 MEDIUM 4.3 MEDIUM
One of the API in Mattermost version 6.4.1 and earlier fails to properly protect the permissions, which allows the authenticated members with restricted custom admin role to bypass the restrictions and view the server logs and server config.json file contents.
CVE-2022-0904 1 Mattermost 1 Mattermost Server 2024-11-21 4.0 MEDIUM 4.3 MEDIUM
A stack overflow bug in the document extractor in Mattermost Server in versions up to and including 6.3.2 allows an attacker to crash the server via submitting a maliciously crafted Apple Pages document.
CVE-2022-0903 1 Mattermost 1 Mattermost Server 2024-11-21 5.0 MEDIUM 5.3 MEDIUM
A call stack overflow bug in the SAML login feature in Mattermost server in versions up to and including 6.3.2 allows an attacker to crash the server via submitting a maliciously crafted POST body.
CVE-2021-37863 1 Mattermost 1 Mattermost Server 2024-11-21 3.5 LOW 3.5 LOW
Mattermost 6.0 and earlier fails to sufficiently validate parameters during post creation, which allows authenticated attackers to cause a client-side crash of the web application via a maliciously crafted post.