SUSE CVE-2017-18879

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS could occur via the authorlink field of a Slack attachment...

SUSE CVE-2017-18883

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2, when serving as an OAuth 2.0 Service Provider. There is low entropy for authorization data...

SUSE CVE-2017-18902

An issue was discovered in Mattermost Server before 4.1.0, 4.0.4, and 3.10.3. It allows attackers to discover team invite IDs via team API endpoints...

GO-2025-4191 Mattermost Server allows users with a session ID to revoke another users' session in github.com/mattermost/mattermost-server

Mattermost Server allows users with a session ID to revoke another users' session 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...

GO-2025-4169 Mattermost fails to sanitize team email addresses in github.com/mattermost/mattermost-server

Mattermost fails to sanitize team email addresses 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 vulnerability...

GO-2025-4168 Mattermost fails to properly validate OAuth state tokens during OpenID Connect authentication in github.com/mattermost/mattermost-server

Mattermost fails to properly validate OAuth state tokens during OpenID Connect authentication 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 causin...

GO-2025-4170 Mattermost fails to to verify the token used during code exchange in github.com/mattermost/mattermost-server

Mattermost fails to to verify the token used during code exchange 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 fro...

GO-2025-4148 Mattermost Server is vulnerable to Directory Traversal by System Admins in github.com/mattermost/mattermost-server

Mattermost Server is vulnerable to Directory Traversal by System Admins 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 repor...

GO-2025-4202 Mattermost Server allows attackers to create buttons that can launch API requests in github.com/mattermost/mattermost-server

Mattermost Server allows attackers to create buttons that can launch API requests in github.com/mattermost/mattermost-server...

GO-2025-4203 Mattermost Server is vulnerable to SQL Injection when executing multiple POST requests in github.com/mattermost/mattermost-server

Mattermost Server is vulnerable to SQL Injection when executing multiple POST requests in github.com/mattermost/mattermost-server...

GO-2025-4204 Mattermost Server does not properly restrict use of slash commands in github.com/mattermost/mattermost-server

Mattermost Server does not properly restrict use of slash commands in github.com/mattermost/mattermost-server...

GO-2025-4199 Mattermost Server exposes team creator's e-mail address to other members in github.com/mattermost/mattermost-server

Mattermost Server exposes team creator's e-mail address to other members in github.com/mattermost/mattermost-server...

GO-2025-4201 Mattermost Server is vulnerable to webhook and slash command manipulation in github.com/mattermost/mattermost-server

Mattermost Server is vulnerable to webhook and slash command manipulation in github.com/mattermost/mattermost-server...

GO-2025-4200 Mattermost Server allows attackers to gain privileges by accessing unintended API endpoints with users' credentials in github.com/mattermost/mattermost-server

Mattermost Server allows attackers to gain privileges by accessing unintended API endpoints with users' credentials in github.com/mattermost/mattermost-server...

SUSE CVE-2018-21258

An issue was discovered in Mattermost Server before 5.1. It allows attackers to cause a denial of service via the invitepeople slash command...

Mattermost Server 10.5.x <= 10.5.12 / 10.11.x <= 10.11.4 Improper Access Control (MMSA-2025-00517)

The version of Mattermost Server installed on the remote host is affected by a vulnerability as referenced in the MMSA-2025-00517 advisory. - Mattermost versions 10.11.x = 10.11.4, 10.5.x = 10.5.12 fail to validate the user permission when accessing the files and subscribing to the block in Board...

Mattermost Server 10.5.x <= 10.5.12 / 10.11.x <= 10.11.4 / 10.12.x <= 10.12.1 / 11.0.x <= 11.0.2 Multiple Vulnerabilities (CVE-2025-12421, MMSA-2025-00526, CVE-2025-12756)

The version of Mattermost Server installed on the remote host is affected by a vulnerability as referenced in CVE-2025-12421, MMSA-2025-00526 and CVE-2025-12756. - Mattermost versions 11.0.x = 11.0.2, 10.12.x = 10.12.1, 10.11.x = 10.11.4, 10.5.x = 10.5.12 fail to to verify that the token used...

Mattermost Server 10.5.x <= 10.5.12 / 10.11.x <= 10.11.4 / 10.12.x <= 10.12.1 / 11.0.x <= 11.0.3 Improper Authentication (MMSA-2025-00547)

The version of Mattermost Server installed on the remote host is affected by a vulnerability as referenced in the MMSA-2025-00547 advisory. - Mattermost versions 10.12.x = 10.12.1, 10.11.x = 10.11.4, 10.5.x = 10.5.12, 11.0.x = 11.0.3 fail to properly validate OAuth state tokens during OpenID...

GO-2025-4187 Mattermost Server is vulnerable to Path Traversal when files are stored locally in github.com/mattermost/mattermost-server

Mattermost Server is vulnerable to Path Traversal when files are stored locally 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-positi...

GO-2025-4190 Mattermost Server is vulnerable to XSS attacks against an OAuth 2.0 allow/deny page in github.com/mattermost/mattermost-server

Mattermost Server is vulnerable to XSS attacks against an OAuth 2.0 allow/deny page in github.com/mattermost/mattermost-server...