| Package | Affected versions | Patched versions |
|---|---|---|
| org.glassfish.jsftemplating:jsftemplating | < 4.2.0 | 4.2.0 |
| org.glassfish.main.admingui:admingui | < 8.0.2 | 8.0.2 |
| glassfish | < 8.0.2 | 8.0.2 |
A critical Remote Code Execution (RCE) vulnerability was identified in the server-side template rendering mechanism used by the Glassfish gadget handler. The application processes .xml files and evaluates user-supplied values within a context where Expression Language (EL) “expressions” are processed without proper sanitization or escaping. By injecting expressions such as #{7*7}, the server returns 49, confirming server-side EL evaluation. This issue allows a remote attacker to fully compromise the underlying host, enabling capabilities as reading/modifying data, executing arbitrary commands, persistence, and lateral movement.
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