AviatorScript through 5.2.7 allows code execution via an expression that is encoded with Byte Code Engineering Library (BCEL).
{ "nvd_published_at": "2021-10-02T00:15:00Z", "cwe_ids": [ "CWE-74" ], "severity": "CRITICAL", "github_reviewed": true, "github_reviewed_at": "2021-10-04T16:58:38Z" }