Yii 2 before 2.0.52 mishandles the attaching of behavior that is defined by an __class array key, a CVE-2024-4990 regression, as exploited in the wild in February through April 2025.
{
    "nvd_published_at": "2025-04-10T03:15:17Z",
    "severity": "CRITICAL",
    "cwe_ids": [
        "CWE-424"
    ],
    "github_reviewed_at": "2025-04-10T20:26:18Z",
    "github_reviewed": true
}