CVE-2026-2586: An authenticated Remote Code Execution (RCE) vulnerability was identified in GlassFish's Administration Consol

Q: How do I fix CVE-2026-2586?

glassfish: upgrade to 8.0.2. Exact commands for each OS are on this page.

Q: Is CVE-2026-2586 being exploited?

CVE-2026-2586 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-2586 affect?

CVE-2026-2586 affects glassfish. Severity is critical (CVSS 9.1). 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

Q: How urgent is CVE-2026-2586?

Priority 51/100. Critical severity; Public exploit reference

This month

CRITICAL 9.1UPGRADE

CVE-2026-2586 is a critical-severity flaw (CVSS 9.1) affecting glassfish. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 the privileges of the application service user. This issue affects Eclipse GlassFish: from 8.0.0 to 8.0.1, fixed in 8.0.2; 7.1.0, fixed in 7.1.1; from 7.0.0 to 7.0.25, fixed in 7.0.26. Impact on versions from 5

Why this priority

Critical severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.8% (top 42%)
CISA exploited list	No
Weakness	CWE-94, CWE-917
Published	2026-05-19
Last modified	2026-07-24

Publisher (CNA): Eclipse Foundation · Vendor: eclipse

Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-19 15:16 UTCPublished CVE record published
2026-07-24 12:10 UTCUpdated Record last modified

eclipse glassfish UPGRADE

Affected: < 8.0.2

Fixed in: 8.0.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy glassfish || rpm -q glassfish || glassfish --version

2. UPGRADE to 8.0.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade glassfish

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade glassfish

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-2586?

glassfish: upgrade to 8.0.2. Exact commands for each OS are on this page.

Is CVE-2026-2586 being exploited?

CVE-2026-2586 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-2586 affect?

CVE-2026-2586 affects glassfish. Severity is critical (CVSS 9.1). 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

How urgent is CVE-2026-2586?

Priority 51/100. Critical severity; Public exploit reference

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References

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