Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Network-accessible T3/IIOP with no authentication, but high complexity condition required; full triad impact consistent with server takeover as described by Oracle.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.org
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).
AnalysisAI
Full server takeover in Oracle WebLogic Server Core component is achievable by unauthenticated remote attackers via the T3 and IIOP protocols, affecting versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0. Successful exploitation yields complete compromise of confidentiality, integrity, and availability of the targeted server instance. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires network access to Oracle WebLogic Server's T3 or IIOP listener, both of which are enabled by default in standard WebLogic installations - no non-default configuration is required to be exposed. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 8.1 conveys high intrinsic severity - full triad impact (C:H/I:H/A:H) with no authentication or user interaction required - but is tempered by AC:H, indicating that exploitation is not straightforward and likely requires meeting specific timing, state, or environmental conditions. … 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 | Apply Oracle's Critical Patch Update for August 2026 immediately; the advisory and patch matrix are available at https://www.oracle.com/security-alerts/cspuaug2026.html. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, conduct an asset discovery across your infrastructure to identify all Oracle WebLogic Server instances running versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, or 15.1.1.0.0 using automated scanning or configuration management systems; simultaneously notify Oracle support and enable alerts for emergency security advisories. …
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-61388
GHSA-pqc7-w39c-x36g