Mattermost
by Mattermost
Source repositories
CVEs (476)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2023-2000 | 0.00 | — | 0.00 | May 2, 2023 | Mattermost Desktop App fails to validate a mattermost server redirection and navigates to an arbitrary website | |||
| CVE-2023-2281 | 0.00 | — | 0.00 | Apr 25, 2023 | 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-2023-2193 | 0.00 | — | 0.01 | Apr 20, 2023 | 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-2023-1831 | 0.00 | — | 0.00 | Apr 17, 2023 | 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 | 0.00 | — | 0.01 | Mar 31, 2023 | 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 | 0.00 | — | 0.00 | Mar 31, 2023 | 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 | 0.00 | — | 0.01 | Mar 31, 2023 | 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 | 0.00 | — | 0.00 | Mar 31, 2023 | 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-2023-1562 | 0.00 | — | 0.00 | Mar 22, 2023 | 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-2023-1421 | 0.00 | — | 0.00 | Mar 15, 2023 | 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-2023-27266 | 0.00 | — | 0.01 | Feb 27, 2023 | 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 | 0.00 | — | 0.01 | Feb 27, 2023 | 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-2023-27264 | 0.00 | — | 0.01 | Feb 27, 2023 | A missing permissions check in Mattermost Playbooks in Mattermost allows an attacker to modify a playbook via the /plugins/playbooks/api/v0/playbooks/[playbookID] API. | |||
| CVE-2023-27263 | 0.00 | — | 0.01 | Feb 27, 2023 | 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. | |||
| CVE-2022-4045 | 0.00 | — | 0.01 | Nov 23, 2022 | A denial-of-service vulnerability in the Mattermost allows an authenticated user to crash the server via multiple requests to one of the API endpoints which could fetch a large amount of data. | |||
| CVE-2022-4044 | 0.00 | — | 0.01 | Nov 23, 2022 | A denial-of-service vulnerability in Mattermost allows an authenticated user to crash the server via multiple large autoresponder messages. | |||
| CVE-2022-3257 | 0.00 | — | 0.01 | Sep 23, 2022 | 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 | 0.00 | — | 0.01 | Sep 9, 2022 | 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-2022-2408 | 0.00 | — | 0.01 | Jul 14, 2022 | The Guest account feature in Mattermost version 6.7.0 and earlier fails to properly restrict the permissions, which allows a guest user to fetch a list of all public channels in the team, in spite of not being part of those channels. | |||
| CVE-2022-2406 | 0.00 | — | 0.01 | Jul 14, 2022 | The legacy Slack import feature in Mattermost version 6.7.0 and earlier fails to properly limit the sizes of imported files, which allows an authenticated attacker to crash the server by importing large files via the Slack import REST API. |
- CVE-2023-2000May 2, 2023risk 0.00cvss —epss 0.00
Mattermost Desktop App fails to validate a mattermost server redirection and navigates to an arbitrary website
- CVE-2023-2281Apr 25, 2023risk 0.00cvss —epss 0.00
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-2023-2193Apr 20, 2023risk 0.00cvss —epss 0.01
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-2023-1831Apr 17, 2023risk 0.00cvss —epss 0.00
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-2023-1777Mar 31, 2023risk 0.00cvss —epss 0.01
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-2023-1776Mar 31, 2023risk 0.00cvss —epss 0.00
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-2023-1775Mar 31, 2023risk 0.00cvss —epss 0.01
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-2023-1774Mar 31, 2023risk 0.00cvss —epss 0.00
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-2023-1562Mar 22, 2023risk 0.00cvss —epss 0.00
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-2023-1421Mar 15, 2023risk 0.00cvss —epss 0.00
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-2023-27266Feb 27, 2023risk 0.00cvss —epss 0.01
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-2023-27265Feb 27, 2023risk 0.00cvss —epss 0.01
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-2023-27264Feb 27, 2023risk 0.00cvss —epss 0.01
A missing permissions check in Mattermost Playbooks in Mattermost allows an attacker to modify a playbook via the /plugins/playbooks/api/v0/playbooks/[playbookID] API.
- CVE-2023-27263Feb 27, 2023risk 0.00cvss —epss 0.01
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.
- CVE-2022-4045Nov 23, 2022risk 0.00cvss —epss 0.01
A denial-of-service vulnerability in the Mattermost allows an authenticated user to crash the server via multiple requests to one of the API endpoints which could fetch a large amount of data.
- CVE-2022-4044Nov 23, 2022risk 0.00cvss —epss 0.01
A denial-of-service vulnerability in Mattermost allows an authenticated user to crash the server via multiple large autoresponder messages.
- CVE-2022-3257Sep 23, 2022risk 0.00cvss —epss 0.01
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-2022-3147Sep 9, 2022risk 0.00cvss —epss 0.01
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-2022-2408Jul 14, 2022risk 0.00cvss —epss 0.01
The Guest account feature in Mattermost version 6.7.0 and earlier fails to properly restrict the permissions, which allows a guest user to fetch a list of all public channels in the team, in spite of not being part of those channels.
- CVE-2022-2406Jul 14, 2022risk 0.00cvss —epss 0.01
The legacy Slack import feature in Mattermost version 6.7.0 and earlier fails to properly limit the sizes of imported files, which allows an authenticated attacker to crash the server by importing large files via the Slack import REST API.
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