User Impersonation/Authorization Bypass in XMPP Server ejabberd

{
                    "vendor": "ProcessOne",
                    "product": "ejabberd",
                    "platforms": [
                        "MacOS",
                        "Linux"
                    ],
                    "repo": "https://github.com/processone/ejabberd",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThanOrEqual": "26.04",
                            "changes": [
                                {
                                    "at": "26.07",
                                    "status": "unaffected"
                                }
                            ],
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }