How severe is CVE-2026-2586?

CVE-2026-2586 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-2586 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-2586?

CVE-2026-2586 affects Eclipse Glassfish. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-2586?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-2586 have an EU (EUVD) identifier?

Yes. CVE-2026-2586 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30939.

When was CVE-2026-2586 published?

CVE-2026-2586 was published on 2026-05-19 and last updated on 2026-07-24.

CVE-2026-2586

CVE-2026-2586 is a critical-severity vulnerability in Eclipse Glassfish with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30939
Weakness: CWE-94
Affected product: Eclipse Glassfish
Published: 2026-05-19
Last modified: 2026-07-24

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.

Frequently asked questions

What is 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 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.
How severe is CVE-2026-2586?: CVE-2026-2586 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-2586 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-2586?: CVE-2026-2586 affects Eclipse Glassfish. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-2586?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-2586 have an EU (EUVD) identifier?: Yes. CVE-2026-2586 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30939.
When was CVE-2026-2586 published?: CVE-2026-2586 was published on 2026-05-19 and last updated on 2026-07-24.

References

https://gitlab.eclipse.org/security/cve-assignment/-/issues/87

Affected products (1)

cpe:2.3:a:eclipse:glassfish:*:*:*:*:*:*:*:*

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