EUVD-2026-79317
GHSA-2vp6-w498-hg23
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Oracle describes unauthenticated network HTTP 'takeover' with no user interaction; full C/I/A compromise of a single system supports 9.8 as stated, though it rests on vendor self-assessment.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
3DescriptionCVE.org
Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Portlet Services). 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 Portal. Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Portal. 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 who can reach the Portlet Services component of Oracle WebCenter Portal 12.2.1.4.0 or 14.1.2.0.0 over HTTP can bypass authentication and achieve full takeover of the application, with complete confidentiality, integrity and availability impact (CVSS 3.1 base 9.8; vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). The flaw is an improper-authentication defect (CWE-287) and, per the assessed vector, needs no credentials, no user interaction and no non-default configuration, so any instance with Portlet Services reachable is directly at risk. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires network HTTP access to an Oracle WebCenter Portal instance (versions 12.2.1.4.0 or 14.1.2.0.0) with the Portlet Services component reachable; per the CVSS vector (PR:N/UI:N/AC:L) no authentication, no user interaction, and no special configuration are needed, so default internet-exposed deployments are directly at risk. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a high-priority vulnerability by every available static signal, though real-world exploitation signals are thin. … 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 fix for this CVE as published in the Oracle Critical Patch Update / Security Alert advisory at https://www.oracle.com/security-alerts/cspusep2026.html - no exact patched build number is specified in the available data, so treat the vendor advisory as the source of truth for the fixed versions of WebCenter Portal 12.2.1.4.0 and 14.1.2.0.0 and follow Oracle's standard CPU application procedure (including any required WebLogic/Fusion Middleware prerequisite patches). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all instances of Oracle WebCenter Portal 12.2.1.4.0 and 14.1.2.0.0 and determine whether the Portlet Services component is reachable from untrusted networks; if so, immediately restrict access using firewall rules or network segmentation and enable verbose authentication logging. …
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Same weakness CWE-287 – Improper Authentication
View allSame technique Authentication Bypass
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External POC / Exploit Code
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