EUVD-2026-61305
GHSA-p5g6-c374-p6vr
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
HTTP-accessible with no authentication (AV:N, PR:N, AC:L); integrity impact is high (full data write/delete); availability is partial; no confidentiality impact per description.
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 creation, deletion or modification access to critical data or all 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 8.2 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L).
AnalysisAI
Unauthenticated remote exploitation of Oracle WebCenter Sites 12.2.1.4.0 and 14.1.2.0.0 allows network-adjacent or internet-facing attackers to perform unauthorized creation, deletion, or modification of critical content data, and to partially degrade service availability via HTTP. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N) confirms that no authentication, user interaction, or special configuration is required, placing this in the highest-risk category for unauthenticated web vulnerabilities. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions are required for exploitation - the CVSS vector (AV:N/AC:L/PR:N/UI:N) confirms unauthenticated remote exploitation against network-accessible Oracle WebCenter Sites instances running the affected versions via standard HTTP. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 8.2 (High) is well-supported by the vector metrics: AV:N (network-reachable), AC:L (no complexity barriers), PR:N (unauthenticated), and UI:N (no victim interaction required). … 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 (CSPU) released in August 2026, available via the Oracle advisory 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 instances running versions 12.2.1.4.0 or 14.1.2.0.0 and document their network exposure. …
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External POC / Exploit Code
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