CVE-2026-12605

Severity: critical (CVSS 9.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-08-06 · updated 2026-10-23
Weakness: CWE-918

Description

In Eclipse GlassFish versions 8.0.x before 8.0.4, CSRF + SSRF in DownloadServlet ContentSources leaks the admin `gfresttoken` to attacker-controlled host if the victim is authenticated into the Admin Console -\> full unauthenticated takeover of Eclipse GlassFish domain until the token expires.

Affected products

Eclipse Foundation Eclipse Glassfish: from 8.0.0 before 8.0.4 — fixed in 8.0.4

How to fix

Upgrade to a fixed version: Eclipse Foundation Eclipse Glassfish 8.0.4. Check the vendor advisory for mitigations.

References

https://gitlab.eclipse.org/security/cve-assignment/-/work_items/127
https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/445

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