RCE in Eclipse Glassfish

CVE-2026-2586

An authenticated Remote Code Execution (RCE) vulnerability was identified in GlassFish's Administration Console. A user with access to the panel can send crafted requests that allow the execution of arbitrary operating system commands with…

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.003 (53.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-2586?
CVE-2026-2586 is a critical-severity vulnerability in Eclipse Glassfish, classified under Code Injection. CVSS score: 9.1/10. Published 2026-05-19.
How severe is CVE-2026-2586?
Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2026-2586 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.