EUVD-2026-79365
GHSA-xvqp-vg7g-cjc5
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Oracle describes easily exploitable, unauthenticated HTTP-based full takeover (AV:N/AC:L/PR:N/UI:N), yielding complete C/I/A loss within the product scope (S:U).
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
3DescriptionCVE.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 unauthenticated 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 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
AnalysisAI
Unauthenticated remote attackers can achieve full takeover of Oracle WebCenter Sites 12.2.1.4.0 and 14.1.2.0.0 through an authentication bypass reachable over HTTP, per the CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H vector that drives the 9.8 base score. No authentication, user interaction, or non-default configuration is required - the only practical prerequisite is network reachability of the WebCenter Sites HTTP interface, which means internet-exposed authoring or delivery instances carry the highest risk. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions - remote unauthenticated exploitation over HTTP against Oracle WebCenter Sites versions 12.2.1.4.0 and 14.1.2.0.0, per the CVSS vector (AV:N/AC:L/PR:N/UI:N). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine high-priority vulnerability, and the CVSS 9.8 rating is well-calibrated rather than inflated. … 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 Security Patch Update referenced in the vendor advisory at https://www.oracle.com/security-alerts/cspusep2026.html - patch availability is confirmed per vendor advisory, but no exact fixed build number is disclosed in the available intelligence, so consult the advisory itself for the precise WebCenter Sites patch for 12.2.1.4.0 and 14.1.2.0.0 rather than relying on a version number inferred here. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, enumerate every Oracle WebCenter Sites 12.2.1.4.0 and 14.1.2.0.0 instance across the estate, determine which are reachable from the internet, and immediately remove that reachability by firewall, load balancer, or reverse proxy rules and by placing authoring and delivery interfaces behind VPN or IP allowlisting; enable verbose authentication and access logging and preserve existing logs for later forensic review. …
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External POC / Exploit Code
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