How severe is CVE-2026-12605?

CVE-2026-12605 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-12605 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-12605?

CVE-2026-12605 affects Eclipse Glassfish. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-12605?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2026-12605 published?

CVE-2026-12605 was published on 2026-08-06 and last updated on 2026-08-10.

CVE-2026-12605

CVE-2026-12605 is a critical-severity vulnerability in Eclipse Glassfish with a CVSS 3.x base score of 9.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: Critical (CVSS 3.x base score 9.6)
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Eclipse Glassfish
Published: 2026-08-06
Last modified: 2026-08-10

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-12605?: CVE-2026-12605 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-12605 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-12605?: CVE-2026-12605 affects Eclipse Glassfish. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-12605?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-12605 published?: CVE-2026-12605 was published on 2026-08-06 and last updated on 2026-08-10.

References

Affected products (1)

cpe:2.3:a:eclipse:glassfish:*:*:*:*:*:*:*:*

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