EUVD-2026-61316
GHSA-m4mc-xxgp-289v
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Network-accessible HTTP endpoint requiring only a low-privilege account, low complexity, no interaction needed; full CIA impact aligns with Oracle's 'takeover' characterization.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.org
Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites). 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 HTTP to compromise Oracle WebCenter Sites. Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Sites. 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 compromise of Oracle WebCenter Sites versions 12.2.1.4.0 and 14.1.2.0.0 is achievable by any low-privileged authenticated user with HTTP network access, requiring neither elevated rights nor user interaction. Oracle's own disclosure language characterizes this as 'easily exploitable,' and the resulting impact is described as complete system takeover - implying full loss of confidentiality, integrity, and availability. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must hold a valid low-privilege account on the target Oracle WebCenter Sites instance - any authenticated role appears sufficient per the PR:L CVSS metric, though the specific minimum role is not identified in Oracle's disclosure. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 8.8 with vector AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H reflects a genuinely high-priority vulnerability: network-accessible, low complexity, no user interaction, and full CIA impact - all signals that exploitation is practical for any authenticated user without special 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 Security Update (CSPU) for August 2026, available through the Oracle Security Alerts portal 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 Sites deployments and their versions, identify systems in production, and assess current user access controls and network segmentation. …
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External POC / Exploit Code
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