EUVD-2026-61413
GHSA-fjxg-9rfg-9wpw
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
RMI network access with low-privilege auth and 'easily exploitable' label confirms AV:N, AC:L, PR:L; 'takeover' outcome justifies C:H/I:H/A:H with no scope change indicated.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.org
Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Composer). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via RMI to compromise Oracle WebCenter Portal. Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Portal. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
AnalysisAI
Full takeover of Oracle WebCenter Portal is achievable by a low-privileged network attacker targeting the Composer component via Java RMI in versions 12.2.1.4.0 and 14.1.2.0.0. Oracle describes the vulnerability as 'easily exploitable,' with the CVSS 3.1 score of 8.8 reflecting complete Confidentiality, Integrity, and Availability compromise upon successful exploitation. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to hold a valid low-privileged account on the Oracle WebCenter Portal instance (PR:L per CVSS vector) and have network access to the RMI service exposed by the Composer component. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H places this vulnerability at a high-severity tier: network-accessible, low attack complexity, requiring only low-privilege credentials, no user interaction, and resulting in full CIA compromise. … 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 the Oracle Critical Patch Update (CPU) for August 2026, available via the Oracle Security Alerts page at https://www.oracle.com/security-alerts/cspuaug2026.html. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Oracle WebCenter Portal deployments and confirm version numbers (12.2.1.4.0 and 14.1.2.0.0), immediately implement network segmentation restricting portal access to trusted internal networks only, and harden Java RMI port access (typically port 1099) to only necessary administrative systems. …
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External POC / Exploit Code
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