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CVE-2026-2586

Eclipse Glassfish remote code execution

9.1 CRITICALPublic exploitEPSS 0.83%
  1. Published19 May 2026

Description

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 5.1.0 to 6.2.5 is unknown.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredHigh
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected products

Eclipse Glassfish< 8.0.2

Remediation

Fixed in
Eclipse Glassfish≥ 8.0.2

References

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Frequently asked

Is CVE-2026-2586 being actively exploited?

CVE-2026-2586 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.83%.

How severe is CVE-2026-2586?

CVE-2026-2586 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.83% probability of exploitation.

Which products are affected by CVE-2026-2586?

Affected products include Eclipse Glassfish.

How do I fix CVE-2026-2586?

Upgrade affected software to a fixed version, for example Eclipse Glassfish 8.0.2 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-2586 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.