A race condition flaw was found in the response headers Elasticsearch versions before 7.2.1 and 6.8.2 returns to a request. On a system with multiple users submitting requests, it could be possible for an attacker to gain access to response header containing sensitive data from another user.
[
{
"product": "Elasticsearch",
"vendor": "Elastic",
"versions": [
{
"status": "affected",
"version": "before 7.2.1 and 6.8.2"
}
]
}
]