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Oracle WebCenter Sites EUVDEUVD-2026-46912

| CVE-2026-60550 HIGH
Improper Access Control (CWE-284)
2026-07-21 secalert_us@oracle.com GHSA-qp7c-7p9f-vcrr
8.6
CVSS 3.1 · Vendor: oracle
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Identify internet-reachable WebCenter Sites host
  2. Delivery
    Send crafted HTTP request
  3. Exploit
    Bypass authentication check
  4. Execution
    Access protected data across scope
  5. Impact
    Exfiltrate critical content

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Access control enforcement
MITRE ATT&CK

1 technique across 1 tactic: Defense Evasion

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation requires only network reachability to the WebCenter Sites HTTP interface: per the CVSS vector AV:N/AC:L/PR:N/UI:N, no authentication (PR:N), no user interaction (UI:N), and low complexity apply - i.e., no special conditions beyond HTTP access to a default deployment of Oracle WebCenter Sites 12.2.1.4.0 or 14.1.2.0.0. What LIMITS exploitation is exposure: the instance must be reachable by the attacker, so deployments restricted to internal networks, VPNs, or IP-allowlisted management interfaces are far harder to reach, and only the two named supported versions are stated as affected. The impact is confined to confidentiality (data disclosure) - integrity and availability are unaffected (I:N/A:N) - so this cannot by itself be used to modify data or cause outages.

Impact

The CVSS vector (AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N = 8.6 High) describes an easily exploitable, network-reachable, unauthenticated attack with no user interaction and a scope change - signals that favor prioritization for any internet-exposed instance. However, the impact is strictly confidentiality (I:N/A:N): no data tampering or denial of service, so this is a data-exposure risk, not an RCE or integrity threat. Real-world exploitation signals are weak-to-absent: no EPSS score was provided, the CVE is not in CISA KEV (no confirmed active exploitation), and no public POC was referenced, suggesting no known widespread exploitation yet. The Oracle 'Authentication Bypass' tag is consistent with the PR:N metric but is a vendor label rather than an independent technical confirmation. Net: treat as a genuine high priority where WebCenter Sites is internet-facing due to the pre-auth network vector, but the confidentiality-only impact and lack of exploitation evidence place it below actively-exploited RCEs in the same Oracle CPU.

Exploit ScenarioDerived

An attacker who can reach a WebCenter Sites instance over HTTP sends crafted requests that bypass authentication/authorization and retrieve content and data the application protects, without any credentials or user interaction. Because of the scope change, the attacker may pivot the access to read data managed by additional integrated products. No public POC was referenced, so this reflects the CVSS-derived attack profile rather than a demonstrated exploit.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 22, 2026

Unauthorized data access in Oracle WebCenter Sites 12.2.1.4.0 and 14.1.2.0.0 allows a remote, unauthenticated attacker to reach all data accessible to the product over HTTP. The flaw carries a scope change, meaning a successful attack can significantly impact additional connected products beyond WebCenter Sites itself. Oracle rates it CVSS 3.1 8.6 (confidentiality-only); no public exploit identified at time of analysis and it is not listed in CISA KEV, though Oracle tags it as an Authentication Bypass.

RemediationAI

Apply the Oracle Critical Patch Update (CPU) of July 2026, which contains the fix for this issue - see https://www.oracle.com/security-alerts/cpujul2026.html for the exact patch bundle applicable to WebCenter Sites 12.2.1.4.0 and 14.1.2.0.0 (patch available per vendor advisory; a discrete fixed build number was not provided in the input, so identify the specific patch ID from the CPU matrix). Until patching, reduce exposure by restricting network access to the WebCenter Sites HTTP endpoints - place the application behind a VPN or IP allowlist, block direct internet access to management and content-delivery URLs at the load balancer or WAF, and monitor for anomalous unauthenticated access to protected content paths; note these controls can break legitimate public-website delivery if the site is intentionally internet-facing, so scope them to administrative and non-public interfaces where possible. Because the scope is changed, also review and tighten trust between WebCenter Sites and any integrated Oracle products it can reach.

Affected VersionsENISA

Oracle WebCenter Sites 14.1.2.0.0
Oracle WebCenter Sites 12.2.1.4.0

Affected Packages

euvd oracle_webcenter_sites no fix

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 enterprise web experience/content management (WCM) platform within Oracle Fusion Middleware, typically deployed on WebLogic Server and fronting public-facing corporate websites. The Oracle-supplied tag 'Authentication Bypass' combined with the CVSS metrics (PR:N, no integrity or availability impact, high confidentiality) points to a root cause where an authorization or session/access-control check can be circumvented over HTTP, exposing protected content and data. No CWE was assigned in the input (CWE: N/A), so the precise weakness class is not formally categorized, but the signature is consistent with broken access control / improper authentication in a request-handling component. The scope change (S:C) indicates the vulnerable component can be leveraged to access resources managed by other components or products it integrates with.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (oracle) PRIMARY 8.6 HIGH
AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
vuln.today AI 8.6 HIGH

Unauthenticated HTTP-reachable auth bypass gives AV:N/AC:L/PR:N/UI:N; scope change (S:C) and confidentiality-only disclosure give C:H with I:N/A:N.

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

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None

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. While the vulnerability is in Oracle WebCenter Sites, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebCenter Sites accessible data. CVSS 3.1 Base Score 8.6 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N).

Executive ViewAI

Why It Matters

Oracle WebCenter Sites 12.2.1.4.0 and 14.1.2.0.0 contain an authentication bypass enabling remote, unauthenticated attackers to access all data managed by the platform. The vulnerability's scope change means exploitation can extend to compromise connected enterprise systems, creating cascading risk across infrastructure-all without a vendor patch available.

Business Impact: Severe
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations: isolate WebCenter Sites on a dedicated network segment with restricted ingress, enforce authentication at the perimeter layer (VPN/proxy), disable direct HTTP access from untrusted networks, implement application-level logging to detect unauthorized data access patterns, and consider temporary service suspension for non-critical environments pending patch availability.

Threat Intelligence Overview

EPSS Score
0.4%
Top 68% exploitable
Prevalence
Low
niche enterprise WCM platform, limited overall deployment footprint
Data Quality
5 sources
Confidence: Medium

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.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.4%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision
Out-of-Cycle
Exploitation
None
System Exposure· derived
Open
Automatable
Yes
Human Impact
Very High
Technical Impact
Partial

Priority Score

43
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +43
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

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