A server-side request forgery vulnerability exists in Jenkins Mattermost Notification Plugin 2.6.2 and earlier in MattermostNotifier.java that allows attackers with Overall/Read permission to have Jenkins connect to an attacker-specified Mattermost server and room and send a message.
[
{
"product": "Jenkins Mattermost Notification Plugin",
"vendor": "Jenkins project",
"versions": [
{
"status": "affected",
"version": "2.6.2 and earlier"
}
]
}
]