In all versions of GitLab, marshalled session keys were being stored in Redis.
{
"severity": "Medium",
"cpes": [
"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"
]
}