CVE-2025-53192 is a high-severity vulnerability in Apache Commons OGNL affecting all versions. The vulnerability arises from improper neutralization of expression/command delimiters in the OGNL expression evaluation engine. The engine's blocklist intended to restrict dangerous classes and methods is incomplete, allowing attackers to bypass restrictions and potentially execute arbitrary code. The project is retired, and no fix will be released. Users are advised to migrate to alternatives or restrict access to trusted users only.