EUVD-2025-34729

Mattermost has a Missing Authorization vulnerability...

EUVD-2025-34740

Mattermost has a Missing Authorization vulnerability...

Missing Authorization

Overview github.com/mattermost/mattermost/server/v8/channels/web is a platform for secure collaboration across the entire software development lifecycle Affected versions of this package are vulnerable to Missing Authorization in the RelayState parameter. An attacker can gain unauthorized access ...

CVE-2025-58075

Mattermost versions 10.11.x = 10.11.1, 10.10.x = 10.10.2, 10.5.x = 10.5.10 fail to verify a user has permission to join a Mattermost team using the original invite token which allows any attacked to join any team on a Mattermost server regardless of restrictions via manipulating the RelayState...

CVE-2025-58073

Mattermost versions 10.11.x = 10.11.1, 10.10.x = 10.10.2, 10.5.x = 10.5.10 fail to verify a user has permission to join a Mattermost team using the original invite token which allows any attacked to join any team on a Mattermost server regardless of restrictions via manipulating the OAuth state...

CVE-2025-58073 Arbitrary Mattermost Team can be joined by manipulating the OAuth state

Mattermost versions 10.11.x = 10.11.1, 10.10.x = 10.10.2, 10.5.x = 10.5.10 fail to verify a user has permission to join a Mattermost team using the original invite token which allows any attacked to join any team on a Mattermost server regardless of restrictions via manipulating the OAuth state...

CVE-2025-58073 Arbitrary Mattermost Team can be joined by manipulating the OAuth state

Mattermost versions 10.11.x = 10.11.1, 10.10.x = 10.10.2, 10.5.x = 10.5.10 fail to verify a user has permission to join a Mattermost team using the original invite token which allows any attacked to join any team on a Mattermost server regardless of restrictions via manipulating the OAuth state...

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-2025-58075 Arbitrary Mattermost Team can be joined by manipulating the SAML RelayState

Mattermost versions 10.11.x = 10.11.1, 10.10.x = 10.10.2, 10.5.x = 10.5.10 fail to verify a user has permission to join a Mattermost team using the original invite token which allows any attacked to join any team on a Mattermost server regardless of restrictions via manipulating the RelayState...

CVE-2025-58075

Mattermost CVE-2025-58075 affects versions 10.11.x <= 10.11.1, 10.10.x <= 10.10.2, 10.5.x

CVE-2025-58075 Arbitrary Mattermost Team can be joined by manipulating the SAML RelayState

Mattermost versions 10.11.x = 10.11.1, 10.10.x = 10.10.2, 10.5.x = 10.5.10 fail to verify a user has permission to join a Mattermost team using the original invite token which allows any attacked to join any team on a Mattermost server regardless of restrictions via manipulating the RelayState...

CVE-2025-58075 Arbitrary Mattermost Team can be joined by manipulating the SAML RelayState

Mattermost versions 10.11.x = 10.11.1, 10.10.x = 10.10.2, 10.5.x = 10.5.10 fail to verify a user has permission to join a Mattermost team using the original invite token which allows any attacked to join any team on a Mattermost server regardless of restrictions via manipulating the RelayState...

Mattermost 安全漏洞

Mattermost is an open source collaboration platform from Mattermost, Inc. in the United States. A security vulnerability in Mattermost versions 10.11.1 and prior to 10.11.x, 10.10.2 and prior to 10.10.x, and 10.5.10 and prior to 10.5.x stems from an unvalidated user's privilege to join a Mattermo...

PT-2025-42445

Name of the Vulnerable Software and Affected Versions Mattermost versions 10.5.x through 10.5.10 Mattermost versions 10.10.x through 10.10.2 Mattermost versions 10.11.x through 10.11.1 Description The Mattermost software has an issue where user permissions are not properly verified when joining a...

PT-2025-46945

Name of the Vulnerable Software and Affected Versions Mattermost versions prior to 11 Description The software does not properly restrict access to the archived channel search API. This allows guest users to discover archived public channels using the /api/v4/teams/team id/channels/search archive...

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Spanish Guardia Civil and Group-IB arrest 'GoogleXcoder,' the 25-year-old Brazilian mastermind of the GXC Team, for selling AI-powered phishing kits and malware used to steal millions from banks across the US, UK, Spain, and Brazil...

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