EUVD-2026-61313
GHSA-fgp2-c6ch-462q
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Unauthenticated HTTP network exploitation with no interaction required supports AV:N/AC:L/PR:N/UI:N; high confidentiality with partial write and DOS yields C:H/I:L/A:L and scope unchanged.
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 unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Sites. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebCenter Sites accessible data as well as unauthorized update, insert or delete access to some of Oracle WebCenter Sites accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle WebCenter Sites. CVSS 3.1 Base Score 8.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L).
AnalysisAI
Unauthenticated remote exploitation of Oracle WebCenter Sites 12.2.1.4.0 and 14.1.2.0.0 allows network-accessible attackers to achieve complete read access to all application-accessible data, perform limited unauthorized data modification, and cause partial denial of service - all via HTTP with no credentials or user interaction required. The 'Authentication Bypass' tag in multi-source intelligence corroborates the PR:N CVSS metric, indicating the flaw circumvents access controls prior to any authentication gate. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions are required beyond network reachability - the CVSS vector (AV:N/AC:L/PR:N/UI:N) confirms unauthenticated remote exploitation against default configurations of Oracle WebCenter Sites over HTTP. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 8.6 with vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L represents a high-severity, remotely exploitable pre-authentication flaw - arguably the most dangerous exploitation profile absent a scope change. … 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 Patch Update (CPU) for August 2026, documented at https://www.oracle.com/security-alerts/cspuaug2026.html, which addresses this vulnerability across both affected WebCenter Sites versions (12.2.1.4.0 and 14.1.2.0.0). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Inventory all Oracle WebCenter Sites deployments (versions 12.2.1.4.0 and 14.1.2.0.0), assess what data these instances access, and escalate findings to risk management. …
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Same weakness CWE-284 – Improper Access Control
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External POC / Exploit Code
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