Allows unauthenticated full takeover of GlassFish domain via leaked admin token in a widely used Java EE app server; enterprise impact across industries.
CVE-2026-12605
CSRF+SSRF leaks admin token enabling full GlassFish domain takeover.
Is CVE-2026-12605 being exploited?
Not confirmed. CVE-2026-12605 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.29% probability of exploitation in the next 30 days.
How severe is CVE-2026-12605?
CVE-2026-12605 is rated Critical with a CVSS score of 9.6. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-12605?
Yes. A fix has been recorded for CVE-2026-12605. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-12605 affect?
CVE-2026-12605 affects Eclipse GlassFish 8.0.x (< 8.0.4), GlassFish Admin Console, Applications hosted on GlassFish domains. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-12605?
Upgrade to GlassFish 8.0.4 or apply vendor patch; restrict Admin Console access and rotate tokens.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Leak of admin 'gfresttoken' via CSRF+SSRF allows unauthenticated full takeover of the GlassFish domain until token expiry.
Immediate action required
- affected>= 8.0.0 and < 8.0.4
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.