# CVE-2026-2587

## Summary

- **CVE ID:** CVE-2026-2587
- **Severity:** CRITICAL
- **CVSS Score:** 9.6 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H)
- **CWE:** CWE-917
- **Published:** May 19, 2026
- **Last Modified:** May 20, 2026

## Description

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.

## Affected Products

- Eclipse Foundation — Eclipse Glassfish (0)
- Eclipse Foundation — Eclipse Glassfish (8.0.0)
- Eclipse Foundation — Eclipse Glassfish (8.0.2)

## References

- [CNA](https://gitlab.eclipse.org/security/cve-assignment/-/issues/86)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.65%
- **EPSS Percentile:** 48.8

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._