Kibana versions before 7.12.1 contain a denial of service vulnerability was found in the webhook actions due to a lack of timeout or a limit on the request size. An attacker with permissions to create webhook actions could drain the Kibana host connection pool, making Kibana unavailable for all other users.
[
{
"product": "Kibana",
"vendor": "Elastic",
"versions": [
{
"status": "affected",
"version": "before 7.12.1"
}
]
}
]