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Eclipse GlassFish CVE-2026-12605

| EUVDEUVD-2026-53925 CRITICAL
Server-Side Request Forgery (SSRF) (CWE-918)
2026-08-06 eclipse GHSA-325x-xm3p-mmv6
9.6
CVSS 3.1 · Vendor: eclipse
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Severity by source

Vendor (eclipse) PRIMARY
9.6 CRITICAL
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
vuln.today AI
9.6 CRITICAL

Remote, low-complexity, no attacker auth (PR:N) but victim admin must interact (UI:R); token leak crosses the auth boundary (S:C) yielding full domain compromise (C:H/I:H/A:H).

3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (eclipse).

CVSS VectorVendor: eclipse

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Patch available
Aug 06, 2026 - 15:17 EUVD
Analysis Generated
Aug 06, 2026 - 14:22 vuln.today
CVE Published
Aug 06, 2026 - 13:18 cve.org
CRITICAL 9.6

DescriptionCVE.org

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.

AnalysisAI

Server-Side Request Forgery combined with CSRF in Eclipse GlassFish's DownloadServlet ContentSources handler allows a remote attacker to exfiltrate the administrative gfresttoken to an attacker-controlled host when an authenticated administrator visits a malicious page. Affecting Eclipse GlassFish 8.0.x prior to 8.0.4, successful token theft yields full control of the GlassFish administrative domain until the token expires, effectively an unauthenticated takeover of the management plane. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires an administrator who is concurrently authenticated into the Eclipse GlassFish Admin Console to be induced (via CSRF, per UI:R in the CVSS vector) to trigger a request against the DownloadServlet ContentSources feature, which then leaks the `gfresttoken` to an attacker-controlled host. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The provided CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H, base 9.6 Critical) indicates a network-reachable, low-complexity attack requiring no attacker privileges but requiring user interaction (the administrator must visit or interact with attacker content), with a scope change and total confidentiality, integrity, and availability impact - consistent with full domain takeover following token theft. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Vendor-released patch: Eclipse GlassFish 8.0.4 - upgrade all 8.0.x deployments to 8.0.4 or later, which is the primary and complete fix. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, inventory all Eclipse GlassFish 8.0.x deployments and identify instances running versions prior to 8.0.4. …

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CVE-2026-12605 vulnerability details – vuln.today

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