
CVE-2023-3584 – Member can create team with team override scheme
https://notcve.org/view.php?id=CVE-2023-3584
17 Jul 2023 — 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. 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 overr... • https://mattermost.com/security-updates • CWE-863: Incorrect Authorization •

CVE-2023-3582 – Lack of channel membership check when linking a board to a channel
https://notcve.org/view.php?id=CVE-2023-3582
17 Jul 2023 — 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, • https://mattermost.com/security-updates • CWE-863: Incorrect Authorization •

CVE-2023-3581 – WebSockets accept connections from HTTPS origin
https://notcve.org/view.php?id=CVE-2023-3581
17 Jul 2023 — Mattermost fails to properly validate the origin of a websocket connection allowing a MITM attacker on Mattermost to access the websocket APIs. • https://mattermost.com/security-updates • CWE-346: Origin Validation Error •

CVE-2023-3577 – Limited blind SSRF to localhost/intranet in interactive dialog implementation
https://notcve.org/view.php?id=CVE-2023-3577
17 Jul 2023 — Mattermost fails to properly restrict requests to localhost/intranet during the interactive dialog, which could allow an attacker to perform a limited blind SSRF. Mattermost fails to properly restrict requests to localhost/intranet during the interactive dialog, which could allow an attacker to perform a limited blind SSRF. • https://mattermost.com/security-updates • CWE-918: Server-Side Request Forgery (SSRF) •

CVE-2023-2515 – Privilege escalation to system admin via personal access tokens
https://notcve.org/view.php?id=CVE-2023-2515
12 May 2023 — 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 • https://mattermost.com/security-updates • CWE-863: Incorrect Authorization •

CVE-2023-2281 – Archiving a team broadcasts unsanitized data over WebSockets
https://notcve.org/view.php?id=CVE-2023-2281
25 Apr 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. • https://mattermost.com/security-updates • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVE-2023-1831 – User password logged in audit logs
https://notcve.org/view.php?id=CVE-2023-1831
17 Apr 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). 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). • https://mattermost.com/security-updates • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-319: Cleartext Transmission of Sensitive Information •