HashiCorp Vault and Vault Enterprise 0.11.0 up to 1.7.5 and 1.8.4 templated ACL policies would always match the first-created entity alias if multiple entity aliases exist for a specified entity and mount combination, potentially resulting in incorrect policy enforcement. Fixed in Vault and Vault Enterprise 1.7.6, 1.8.5, and 1.9.0.
{
    "cpes": [
        "cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*",
        "cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*",
        "cpe:2.3:a:hashicorp:vault:1.8.4:*:*:*:-:*:*:*",
        "cpe:2.3:a:hashicorp:vault:1.8.4:*:*:*:enterprise:*:*:*"
    ],
    "severity": "Medium"
}