Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization via the Slack import functionality. An attacker can create verified user accounts with arbitrary email domains by submitting malicious import data to bypass email-based team access restrictions. Remediation Upgrade...

Missing Authorization

Overview github.com/mattermost/mattermost-server is an open source Slack-alternative in Golang and React. Affected versions of this package are vulnerable to Missing Authorization via the Slack import functionality. An attacker can create verified user accounts with arbitrary email domains by...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization via the Slack import functionality. An attacker can create verified user accounts with arbitrary email domains by submitting malicious import data to bypass email-based team access restrictions. Remediation Upgrade...

Mattermost has a Missing Authorization vulnerability

Mattermost versions 10.10.x = 10.10.2, 10.5.x = 10.5.10, 10.11.x = 10.11.2 fail to validate email ownership during Slack import process which allows attackers to create verified user accounts with arbitrary email domains via malicious Slack import data to bypass email-based team access restrictio...

GHSA-3Q4Q-WQM6-HVF3 Mattermost has a Missing Authorization vulnerability

Mattermost versions 10.10.x = 10.10.2, 10.5.x = 10.5.10, 10.11.x = 10.11.2 fail to validate email ownership during Slack import process which allows attackers to create verified user accounts with arbitrary email domains via malicious Slack import data to bypass email-based team access restrictio...

EUVD-2025-34742

Mattermost has a Missing Authorization vulnerability...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization via the Slack import functionality. An attacker can create verified user accounts with arbitrary email domains by submitting malicious import data to bypass email-based team access restrictions. Remediation Upgrade...

CVE-2025-41410

Mattermost versions 10.10.x = 10.10.2, 10.5.x = 10.5.10, 10.11.x = 10.11.2 fail to validate email ownership during Slack import process which allows attackers to create verified user accounts with arbitrary email domains via malicious Slack import data to bypass email-based team access restrictio...

CVE-2025-41410 Slack import bypasses email verification for team access controls

Mattermost versions 10.10.x = 10.10.2, 10.5.x = 10.5.10, 10.11.x = 10.11.2 fail to validate email ownership during Slack import process which allows attackers to create verified user accounts with arbitrary email domains via malicious Slack import data to bypass email-based team access restrictio...

CVE-2025-41410

Mattermost CVE-2025-41410 affects server versions 10.10.x <= 10.10.2, 10.5.x <= 10.5.10, and 10.11.x

CVE-2025-41410 Slack import bypasses email verification for team access controls

Mattermost versions 10.10.x = 10.10.2, 10.5.x = 10.5.10, 10.11.x = 10.11.2 fail to validate email ownership during Slack import process which allows attackers to create verified user accounts with arbitrary email domains via malicious Slack import data to bypass email-based team access restrictio...

CVE-2025-41410 Slack import bypasses email verification for team access controls

Mattermost versions 10.10.x = 10.10.2, 10.5.x = 10.5.10, 10.11.x = 10.11.2 fail to validate email ownership during Slack import process which allows attackers to create verified user accounts with arbitrary email domains via malicious Slack import data to bypass email-based team access restrictio...

CVE-2025-10051

The Demo Import Kit plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in all versions up to, and including, 1.1.0 via the import functionality. This makes it possible for authenticated attackers, with Administrator-level access and above, to upload...

CVE-2025-41410: Missing Authorization

Mattermost versions 10.10.x = 10.10.2, 10.5.x = 10.5.10, 10.11.x = 10.11.2 fail to validate email ownership during Slack import process which allows attackers to create verified user accounts with arbitrary email domains via malicious Slack import data to bypass email-based team access restrictio...

NextCloud Tables security vulnerabilities

Nextcloud Tables is an open source tables application from Nextcloud. A security vulnerability exists in Nextcloud Tables versions prior to 0.7.6, prior to 0.8.8, and prior to 0.9.5, which stems from a server file that can be specified when importing a table, potentially leading to a disclosure o...

Mattermost security vulnerabilities

Mattermost is an open source collaboration platform from Mattermost, Inc. in the United States. A security vulnerability in Mattermost 10.10.2 and prior versions 10.10.x, 10.5.10 and prior versions 10.5.x, and 10.11.2 and prior versions 10.11.x, which stems from the failure to validate email...

CVE-2025-58051: Improper Enforcement of Behavioral Workflow

Nextcloud Tables allows you to create your own tables with individual columns. Prior 0.7.6, 0.8.8, and 0.9.5, when importing a table, a user was able to specify files on the server and when their format is supported by the used PhpSpreadsheet library they would be included and their content leake...

PT-2025-42443

Name of the Vulnerable Software and Affected Versions Mattermost versions 10.10.x through 10.10.2 Mattermost versions 10.5.x through 10.5.10 Mattermost versions 10.11.x through 10.11.2 Description The software does not properly validate email ownership during a Slack import process. This allows...

CVE-2025-10051

The Demo Import Kit plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in all versions up to, and including, 1.1.0 via the import functionality. This makes it possible for authenticated attackers, with Administrator-level access and above, to upload...

CVE-2025-10051 Demo Import Kit <= 1.1.0 - Authenticated (Admin+) Arbitrary File Upload

The Demo Import Kit plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in all versions up to, and including, 1.1.0 via the import functionality. This makes it possible for authenticated attackers, with Administrator-level access and above, to upload...