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.
{
"versions": [
{
"introduced": "9.11.0"
},
{
"fixed": "9.11.9"
},
{
"introduced": "10.3.0"
},
{
"fixed": "10.3.4"
},
{
"introduced": "10.4.0"
},
{
"fixed": "10.4.3"
},
{
"introduced": "10.5.0"
},
{
"fixed": "10.5.1"
}
]
}