What is CVE-2026-12605?

CVE-2026-12605 is a critical-severity vulnerability in Eclipse Glassfish, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.6/10. Published 2026-08-06.

How severe is CVE-2026-12605?

Critical severity. CVSS v3 base score is 9.6 out of 10.

SSRF in Eclipse Glassfish

CVE-2026-12605

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.

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.003 (22.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Eclipse Glassfish
Eclipse Foundation Glassfish — versions 8.0.0

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

emo@eclipse.org (Exploit, Vendor Advisory)
emo@eclipse.org (Vendor Advisory)

Frequently asked questions

What is CVE-2026-12605?: CVE-2026-12605 is a critical-severity vulnerability in Eclipse Glassfish, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.6/10. Published 2026-08-06.
How severe is CVE-2026-12605?: Critical severity. CVSS v3 base score is 9.6 out of 10.