Security readout for executives and security teams
Plain-English summary
CVE-2026-2586 lets an authenticated user with access to the Eclipse GlassFish Administration Console run operating system commands as the GlassFish service user. This is critical because compromise of the admin console could become full application-server compromise. Fixed versions are listed for GlassFish 7.x and 8.x branches.
Executive priority
Treat as urgent for any GlassFish environment with reachable administration consoles. Prioritize patching internet-accessible or broadly accessible admin panels first, then internal systems. The main business risk is server takeover through compromised or misused administrator access.
Technical view
Authenticated RCE in Eclipse GlassFish Administration Console, mapped to CWE-917 and CWE-94. CVSS 9.1: network attack vector, low complexity, high privileges required, no user interaction, scope changed, and high confidentiality, integrity, and availability impact. Affected ranges include 8.0.0-8.0.1, 7.1.0, and 7.0.0-7.0.25.
Likely exposure
Organizations running Eclipse GlassFish admin consoles on affected 7.x or 8.x versions are exposed, especially where console access is broadly reachable. Impact for versions 5.1.0 through 6.2.5 is stated as unknown in the source data.
Exploitation context
The source data does not report active exploitation, and KEV status is false. Exploitation requires authenticated access to the Administration Console, but successful abuse allows arbitrary OS command execution under the application service user.
Researcher notes
The record identifies authenticated crafted requests to the Administration Console leading to OS command execution as the service user. It names fixed versions for 7.x and 8.x, but leaves 5.1.0-6.2.5 impact unresolved. No public exploitation evidence is provided in the supplied sources.
Mitigation direction
- Upgrade GlassFish 8.0.0-8.0.1 to 8.0.2.
- Upgrade GlassFish 7.1.0 to 7.1.1.
- Upgrade GlassFish 7.0.0-7.0.25 to 7.0.26.
- For GlassFish 5.1.0-6.2.5, check Eclipse guidance because impact is unknown.
- Restrict Administration Console access to trusted administrators and management networks.
Validation and detection
- Inventory all Eclipse GlassFish servers and recorded versions.
- Identify systems exposing the Administration Console.
- Confirm affected 7.x and 8.x systems are upgraded to fixed versions.
- Review administrative accounts with console access.
- Monitor vendor advisories for clarification on 5.1.0-6.2.5 impact.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-917: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-94: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-2586 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H2.36eclipseVulnerability scoring details
Base CVSS 3.1 score
9.1CriticalVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://gitlab.eclipse.org/security/cve-assignment/-/issues/87CVE reference, eclipse
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')
Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Improper Control of Generation of Code ('Code Injection')
Improper Control of Generation of Code ('Code Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.