Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessIdentify exposed WebCenter Sites HTTP endpoint
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DeliverySend crafted unauthenticated HTTP request
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ExploitTrigger vulnerability in WebCenter Sites component
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ExecutionGain full application control
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ImpactTake over WebCenter Sites (read/modify/disrupt)
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication mechanism validation
MITRE ATT&CK
2 techniques across 2 tactics: Defense Evasion, Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | No special conditions - remote unauthenticated exploitation over HTTP against Oracle WebCenter Sites (component: WebCenter Sites) as described by the vendor, with no authentication, user interaction, or non-default configuration stated as required (AV:N/AC:L/PR:N/UI:N). The primary LIMITING factors are therefore deployment-based rather than technical: the attacker must have network/HTTP reachability to a vulnerable instance, and only supported versions 12.2.1.4.0 and 14.1.2.0.0 are confirmed affected. The CVE description names no specific feature, protocol mode, or configuration toggle as a precondition, so exploitation appears to apply to default installations of the affected versions. |
| Impact | All CVSS signals point to maximum network-exploitability: the vendor-supplied vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H (base 9.8) means a remote, unauthenticated attacker over HTTP with low attack complexity and no user interaction can achieve full confidentiality, integrity, and availability compromise - Oracle explicitly describes this as 'takeover of Oracle WebCenter Sites.' This is the archetype of a genuine patch-now priority rather than a high-CVSS-but-low-real-risk issue, because the pre-authentication network vector removes the usual mitigating prerequisites. However, several real-world exploitation signals are MISSING from the input and must not be assumed: no EPSS probability was provided, the CVE is NOT listed as KEV (no confirmed active exploitation), and no public POC is referenced, so this is best characterized as high potential severity with no confirmed exploitation yet. Note also a conflict in the provided metadata: the only tag describing impact is 'Information Disclosure,' which understates a vulnerability that the description and CVSS both rate as full C/I/A takeover - treat the full-takeover characterization (vendor + CVSS) as authoritative over the tag. |
| Exploit ScenarioDerived | An attacker reachable over the network sends a crafted HTTP request directly to an internet-exposed or internal Oracle WebCenter Sites instance (versions 12.2.1.4.0 or 14.1.2.0.0) without any credentials. Because attack complexity is low and no user interaction is required, a single request chain can escalate to full application takeover, letting the attacker read/modify content and control the server. No public exploit code is identified at time of analysis, so this scenario is based on the vendor-described capability rather than an observed exploit. |
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Alert meAnalysisAIv1 – Oct 21, 2026
Unauthenticated remote takeover of Oracle WebCenter Sites is possible in supported versions 12.2.1.4.0 and 14.1.2.0.0, per Oracle Fusion Middleware's October 2026 advisory. The CVSS 3.1 vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H means network attackers need no credentials or user interaction and can fully compromise confidentiality, integrity, and availability. No public exploit code or CISA KEV entry was identified in the supplied data at time of analysis.
RemediationAI
Apply the Oracle Critical Patch Update referenced in the vendor advisory at https://www.oracle.com/security-alerts/cpuoct2026.html; the supplied data identifies this advisory as the patch source but does not state an exact fixed build, so confirm the applicable WebCenter Sites CPU patch number and upgrade affected 12.2.1.4.0 and 14.1.2.0.0 installations. Until patching is complete, reduce exposure by placing WebCenter Sites behind a reverse proxy or network ACL that permits only trusted clients to reach its HTTP interfaces; this can disrupt legitimate external publishing or authoring access, so scope it to business needs. Because the vector is pre-authentication (PR:N), do not treat login requirements or account hardening as sufficient mitigation; monitor web access logs for unauthenticated anomalous requests, and use WAF or virtual patching only as a temporary compensating control with validation.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in euvd
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Oracle WebCenter Sites is an Oracle Fusion Middleware web content management and delivery platform exposed over HTTP, and the affected component is identified simply as WebCenter Sites. The supplied data does not include a CWE, so the precise root-cause class cannot be confirmed; however, the vendor vector AV:N/AC:L/PR:N/UI:N and the stated outcome of 'takeover' indicate an externally reachable web application weakness that is exploitable without prior authentication or user interaction. Only the supported releases 12.2.1.4.0 and 14.1.2.0.0 are confirmed affected, and the description names no special feature, protocol mode, or non-default configuration toggle as a precondition, so default installations of those versions should be treated as exposed if their HTTP interfaces are reachable.
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vendor describes remote unauthenticated HTTP exploitation with low complexity and full takeover, so AV:N/AC:L/PR:N/UI:N and C:H/I:H/A:H; scope unchanged as impact stays within the application.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
DescriptionCVE.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).
Executive ViewAI
Oracle WebCenter Sites, the platform behind many public-facing enterprise web properties, is exposed to unauthenticated remote takeover in supported versions 12.2.1.4.0 and 14.1.2.0.0, meaning any internet user could gain full control of affected systems without credentials. Leadership should care because a compromise could expose customer data, allow defacement or malicious content injection on trusted public sites, and disrupt a system that is often treated as trusted infrastructure for external content delivery.
No vendor-released patch identified at time of analysis. Interim mitigations: restrict network reachability of WebCenter Sites administrative and authoring interfaces to trusted networks or VPN, front internet-facing instances with a WAF or reverse proxy applying restrictive rules, segment affected systems from sensitive internal networks, enforce monitoring and alerting for anomalous access, and review Oracle advisory guidance for any vendor-provided workaround.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
EUVD-2026-105914
GHSA-fpgm-6497-5846
NVD
CVE.org
EPSS
VulDB
Exploit-DB