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Oracle WebCenter Sites CVE-2026-46809

| EUVDEUVD-2026-37327 CRITICAL
Improper Access Control (CWE-284)
2026-06-16 oracle
9.1
CVSS 3.1 · Vendor: oracle
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Severity by source

Vendor (oracle) PRIMARY
9.1 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
vuln.today AI
9.1 CRITICAL

Description states unauthenticated HTTP exploitation with full read and create/modify/delete of all accessible data and no availability impact, matching AV:N/AC:L/PR:N/UI:N/C:H/I:H/A:N.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

Lifecycle Timeline

1
Analysis Generated
Jun 16, 2026 - 22:52 vuln.today

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 unauthorized creation, deletion or modification access to critical data or all Oracle WebCenter Sites accessible data as well as unauthorized access to critical data or complete access to all Oracle WebCenter Sites accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).

AnalysisAI

Unauthenticated remote compromise of Oracle WebCenter Sites 12.2.1.4.0 and 14.1.2.0.0 is possible via HTTP, allowing attackers to read, create, modify, or delete all data accessible to the application. Oracle rates this as easily exploitable with no privileges or user interaction required (CVSS 9.1), and no public exploit identified at time of analysis. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Identify exposed WebCenter Sites HTTP endpoint
Delivery
Send crafted unauthenticated HTTP request
Exploit
Bypass authentication check
Execution
Read all accessible site data
Persist
Create, modify, or delete content objects
Impact
Persist tampered or exfiltrated data

Vulnerability AssessmentAI

Exploitation No special conditions - remote unauthenticated exploitation against default configurations of Oracle WebCenter Sites 12.2.1.4.0 or 14.1.2.0.0 over HTTP, with no user interaction and no privileges required per CVSS AV:N/AC:L/PR:N/UI:N. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N describes an easy-to-exploit, remote, unauthenticated flaw with high confidentiality and integrity impact and no availability impact, consistent with an authentication bypass that grants data access rather than crashing the service. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker on the Internet sends crafted HTTP requests to an exposed Oracle WebCenter Sites instance, bypassing authentication on a vulnerable endpoint to enumerate and download confidential site content, customer-facing data, and configuration accessible to the application. The same access is then used to create, modify, or delete content objects, enabling defacement of public sites or insertion of malicious links; no public exploit identified at time of analysis, but the CVSS AC:L/PR:N profile implies trivially reproducible exploitation once details are reverse-engineered from the CPU.
Remediation Apply the patch available per vendor advisory by installing the fixes shipped in the Oracle Critical Patch Update of June 2026 at https://www.oracle.com/security-alerts/cspujun2026.html for both Oracle WebCenter Sites 12.2.1.4.0 and 14.1.2.0.0; Oracle does not publish an independent fixed build number, so the CPU itself is the authoritative reference. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Conduct inventory of all Oracle WebCenter Sites instances; identify which run versions 12.2.1.4.0 or 14.1.2.0.0 and classify data sensitivity levels. …

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CVE-2026-46809 vulnerability details – vuln.today

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