CVE-2025-20072

Mattermost Mobile versions = 2.22.0 fail to properly validate the style of proto supplied to an action's style in post.props.attachments, which allows an attacker to crash the mobile via crafted malicious input...

CVE-2025-20072: Incorrect Type Conversion or Cast

Mattermost Mobile versions = 2.22.0 fail to properly validate the style of proto supplied to an action's style in post.props.attachments, which allows an attacker to crash the mobile via crafted malicious input...

CVE-2025-21088

Mattermost versions 10.2.x = 10.2.0, 9.11.x = 9.11.5, 10.0.x = 10.0.3, 10.1.x = 10.1.3 fail to properly validate the style of proto supplied to an action's style in post.props.attachments, which allows an attacker to crash the frontend via crafted malicious input...

CVE-2025-21088: Incorrect Type Conversion or Cast

Mattermost versions 10.2.x = 10.2.0, 9.11.x = 9.11.5, 10.0.x = 10.0.3, 10.1.x = 10.1.3 fail to properly validate the style of proto supplied to an action's style in post.props.attachments, which allows an attacker to crash the frontend via crafted malicious input...

PT-2025-4190

Name of the Vulnerable Software and Affected Versions Mattermost versions 9.11.x through 9.11.5 Mattermost versions 10.0.x through 10.0.3 Mattermost versions 10.1.x through 10.1.3 Mattermost versions 10.2.x through 10.2.0 Description The issue arises from the failure to properly validate the styl...