GO-2025-4048 Mattermost Server is vulnerable to Code Injection through its LDAP fields in github.com/mattermost/mattermost-server

Mattermost Server is vulnerable to Code Injection through its LDAP fields in github.com/mattermost/mattermost-server...

GO-2025-4051 Mattermost Server does not enforce rate limits on password change attempts in github.com/mattermost/mattermost-server

Mattermost Server does not enforce rate limits on password change attempts in github.com/mattermost/mattermost-server...

GO-2025-4064 Mattermost Server is vulnerable to XSS through crafted links in github.com/mattermost/mattermost-server

Mattermost Server is vulnerable to XSS through crafted links in github.com/mattermost/mattermost-server...

GO-2025-4054 Mattermost Server does not check if cookies are used over SSL in github.com/mattermost/mattermost-server

Mattermost Server does not check if cookies are used over SSL in github.com/mattermost/mattermost-server...

GO-2025-4032 Mattermost has a Missing Authorization vulnerability in github.com/mattermost/mattermost-server

Mattermost has a Missing Authorization vulnerability in github.com/mattermost/mattermost-server...

GO-2025-4029 Mattermost has a Missing Authorization vulnerability in github.com/mattermost/mattermost-server

Mattermost has a Missing Authorization vulnerability in github.com/mattermost/mattermost-server. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from vulnerabili...

GO-2025-4046 Mattermost Server is vulnerable to Uncontrolled Resource Consumption in github.com/mattermost/mattermost-server

Mattermost Server is vulnerable to Uncontrolled Resource Consumption in github.com/mattermost/mattermost-server...

GO-2025-4065 Mattermost Server: Files may be rendered inline instead of downloaded, allowing script execution in github.com/mattermost/mattermost-server

Mattermost Server: Files may be rendered inline instead of downloaded, allowing script execution in github.com/mattermost/mattermost-server...

Improper Input Sanitization

github.com/mattermost/mattermost-server is vulnerable to improper input sanitization. The vulnerability is due to insufficient sanitization of user data during shared channel membership synchronization, which allows an attacker from a malicious or compromised remote cluster to access sensitive us...

Mattermost Server 10.5.x < 10.5.11 / 10.10.x < 10.10.3 / 10.11.x 10.11.3 / 10.12.0 Missing Authorization (MMSA-2025-00525)

The version of Mattermost Server installed on the remote host is affected by a vulnerability as referenced in the MMSA-2025-00525 advisory. - 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...

Mattermost Server 10.5.x < 10.5.11 / 10.10.x < 10.10.3 / 10.11.x 10.11.2 / 10.12.0 Multiple Vulnerabilities (MMSA-2025-00507, MMSA-2025-00508)

The version of Mattermost Server installed on the remote host is affected by multiple vulnerabilities as referenced in the MMSA-2025-00507, MMSA-2025-00508 advisories. - Mattermost versions 10.11.x = 10.11.1, 10.10.x = 10.10.3, 10.5.x = 10.5.10 fail to verify a user has permission to join a...

Mattermost Server 10.5.x < 10.5.11 / 10.11.x < 10.11.3 / 10.12.0 Multiple Vulnerabilities (MMSA-2025-00497, MMSA-2025-00496, MMSA-2025-00516)

The version of Mattermost Server installed on the remote host is affected by multiple vulnerabilities as referenced in the MMSA-2025-00497, MMSA-2025-00496, MMSA-2025-00516 advisories. - Mattermost versions 10.5.x = 10.5.10, 10.11.x = 10.11.2 fail to properly validate guest user permissions when...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization via the /api/v4/channels/channelid/members endpoint. An attacker can gain unauthorized access to add any team members to private channels by exploiting insufficient validation of guest user permissions. Remediati...

Timing Attack

Overview Affected versions of this package are vulnerable to Timing Attack via the IsValidWebAuthRedirectURL function. An attacker can obtain sensitive information such as Cloud API keys and OAuth client secrets by analyzing response times during authentication attempts. Remediation Upgrade...

Timing Attack

Overview Affected versions of this package are vulnerable to Timing Attack via the IsValidWebAuthRedirectURL function. An attacker can obtain sensitive information such as Cloud API keys and OAuth client secrets by analyzing response times during authentication attempts. 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 in the fullyQualifiedRedirectURL function. An attacker can gain unauthorized access to any team by manipulating the...

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 in the RelayState parameter. An attacker can gain unauthorized access to any team by manipulating the RelayState parameter during the team join process. Remediation Upgrade github.com/mattermost/mattermost/server t...

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 in the RelayState parameter. An attacker can gain unauthorized access to any team by manipulating the RelayState...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization in the RelayState parameter. An attacker can gain unauthorized access to any team by manipulating the RelayState parameter during the team join process. Remediation Upgrade...