CVE-2025-27936

Mattermost Plugin MSTeams versions 2.1.0 and Mattermost Server versions 10.5.x =10.5.1 with the MS Teams plugin enabled fail to perform constant time comparison on a MSTeams plugin webhook secret which allows an attacker to retrieve the webhook secret of the MSTeams plugin via a timing attack...

SUSE CVE-2025-25068

Mattermost versions 10.4.x = 10.4.2, 10.3.x = 10.3.3, 9.11.x = 9.11.8, 10.5.x = 10.5.0 fail to enforce MFA on plugin endpoints, which allows authenticated attackers to bypass MFA protections via API requests to plugin-specific routes...

GHSA-72QV-J8VR-XVFV Mattermost Fails to Enforce MFA on Plugin Endpoints

Mattermost versions 10.4.x = 10.4.2, 10.3.x = 10.3.3, 9.11.x = 9.11.8, 10.5.x = 10.5.0 fail to enforce MFA on plugin endpoints, which allows authenticated attackers to bypass MFA protections via API requests to plugin-specific routes...

CVE-2025-20033

Mattermost CVE-2025-20033 affects multiple releases (10.2.0; 9.11.x up to 9.11.5; 10.0.x up to 10.0.3; 10.1.x up to 10.1.3). The root cause is failure to properly validate post types, enabling a denial-of-service against users with the sysconsole_read_plugins permission by creating a post of type...

Denial Of Service (DOS)

github.com/mattermost/mattermost-plugin-channel-export is vulnerable to Denial Of Service DOS. The vulnerability is caused due to a failure to restrict concurrent runs of the /export command. The can allow an attacker to consume excessive resource by running the /export command multiple times at...

CVE-2024-43105 Excessive Resource Consumption via `/export`

Mattermost Plugin Channel Export versions =1.0.0 fail to restrict concurrent runs of the /export command which allows a user to consume excessive resource by running the /export command multiple times at once...

CVE-2024-43105 Excessive Resource Consumption via `/export`

Mattermost Plugin Channel Export versions =1.0.0 fail to restrict concurrent runs of the /export command which allows a user to consume excessive resource by running the /export command multiple times at once...

Mattermost plugin Channel Export 安全漏洞

Mattermost Plugin Channel Export is a plugin from Mattermost USA. A security vulnerability exists in Mattermost plugin Channel Export version 1.0.0 and prior versions, which stems from an inability to limit concurrent runs of the /export command. An attacker can use this vulnerability to consume...

GO-2024-2539 Cross-site request forgery via logout button in github.com/mattermost/mattermost-plugin-jira

Cross-site request forgery via logout button in github.com/mattermost/mattermost-plugin-jira...

CVE-2022-4019

A denial-of-service vulnerability in the Mattermost Playbooks plugin allows an authenticated user to crash the server via multiple large requests to one of the Playbooks API endpoints...

Malicious Package

Overview mattermost-plugin-calls is a malicious package. The package's name is based on existing repositories, namespaces, or components used by popular companies in an effort to trick employees into downloading it, also known as 'dependency confusion'. Therefore, you're only vulnerable if this...

Malicious Package

Overview mattermost-plugin-playbooks is a malicious package. The package's name is based on existing repositories, namespaces, or components used by popular companies in an effort to trick employees into downloading it, also known as 'dependency confusion'. Therefore, you're only vulnerable if th...

Malicious code in mattermost-plugin-docs (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware c8ef5e6d632aa7c038bc695142af69b82a8edf84f5811b477c22ae634245acfd Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

MAL-2022-4503 Malicious code in mattermost-plugin-docs (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware c8ef5e6d632aa7c038bc695142af69b82a8edf84f5811b477c22ae634245acfd Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

CVE-2022-1384 Authorized users are allowed to install old plugin versions from the Marketplace

Mattermost version 6.4.x and earlier fails to properly check the plugin version when a plugin is installed from the Marketplace, which allows an authenticated and an authorized user to install and exploit an old plugin version from the Marketplace which might have known vulnerabilities...

Information disclosure

Mattermost Boards plugin v0.10.0 and earlier fails to protect email addresses of all users via one of the Boards APIs, which allows authenticated and unauthorized users to access this information resulting in sensitive & private information disclosure...

CVE-2019-10459

Jenkins Mattermost Notification Plugin 2.7.0 and earlier stored webhook URLs containing a secret token unencrypted in its global configuration file and job config.xml files on the Jenkins master where they could be viewed by users with Extended Read permission, or access to the master file system...

PT-2019-11853 · Jenkins · Jenkins Mattermost Notification Plugin +1

Name of the Vulnerable Software and Affected Versions: Jenkins Mattermost Notification Plugin versions 2.7.0 and earlier Description: The issue allows stored webhook URLs containing a secret token to be viewed unencrypted in the global configuration file and job config.xml files on the Jenkins...

CloudBees Jenkins Mattermost Notification Plugin Server Request Forgery Vulnerability

CloudBees Jenkins Hudson Labs is the United States CloudBees company's set of Java-based development of continuous integration tools. The product is mainly used to monitor the continuous software version release/testing projects and some timed tasks . Mattermost Notification Plugin is used in one...