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Oracle Commerce Experience Manager EUVDEUVD-2026-61950

| CVE-2026-71003 HIGH
Improper Access Control (CWE-284)
2026-08-18 secalert_us@oracle.com GHSA-52vf-jcf5-9pjc
7.1
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
    Obtain low-privileged Oracle Commerce account
  2. Delivery
    Access Experience Manager HTTP endpoint
  3. Exploit
    Send crafted authorization-bypass HTTP request
  4. Execution
    Retrieve all platform-accessible data
  5. Impact
    Trigger partial availability disruption as side effect

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 a valid low-privileged account with HTTP network access to Oracle Commerce Experience Manager version 11.4.0, as confirmed by the CVSS PR:L metric. Unauthenticated exploitation is not supported by the available data. No user interaction beyond the attacker's own actions is required (UI:N). The 'Authentication Bypass' intelligence tag suggests that once authenticated at low privilege, the attacker may exceed their authorized data scope - potentially accessing data intended for higher-privileged roles - but this is not confirmed by the CVE description alone. Exploitation is bounded to version 11.4.0; other versions are not confirmed vulnerable. External internet-facing deployments with broadly distributed low-privileged accounts face the highest realistic risk; deployments restricting Experience Manager to internal networks or enforcing tight account controls significantly reduce exploitability in practice.

Impact

The CVSS 3.1 score of 7.1 (High) is primarily driven by network accessibility, low attack complexity, and high confidentiality impact, partly tempered by the PR:L requirement. The authentication barrier - a valid low-privileged account - is meaningful for externally facing deployments with controlled onboarding but negligible in multi-tenant or internally accessible environments. No EPSS score was provided, precluding probabilistic exploitation assessment. Neither a CISA KEV listing nor a public proof-of-concept has been identified, suggesting no confirmed or widespread exploitation at time of analysis. The intelligence tag 'Authentication Bypass' conflicts with the CVSS PR:L metric: a genuine authentication bypass would typically be rated PR:N - this inconsistency should be verified against the Oracle CPU advisory before finalizing risk posture, as it could indicate the actual exploitability is higher than the vector implies. The partial DoS (A:L) is a secondary concern relative to the data exposure risk (C:H). For e-commerce operators where product pricing, configuration, or customer data flows through Experience Manager, this is a meaningful priority.

Exploit ScenarioDerived

An attacker holding a low-privileged Oracle Commerce account - such as a standard business analyst, a compromised service account, or a malicious insider - sends crafted HTTP requests to the Experience Manager component, exploiting the authorization flaw to retrieve all data accessible within the platform beyond their intended access level. This could include sensitive merchandising rules, product pricing configurations, or downstream customer experience data. The same request sequence may simultaneously degrade Experience Manager availability for legitimate users, complicating incident detection during data exfiltration. No public proof-of-concept code has been identified at time of analysis.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Aug 18, 2026

Oracle Commerce Experience Manager 11.4.0 exposes a network-accessible flaw in its Experience Manager component that permits low-privileged authenticated attackers to gain complete unauthorized access to all platform data and cause partial availability degradation via HTTP. The CVSS 3.1 score of 7.1 reflects high confidentiality impact with no integrity exposure, consistent with an authorization bypass or excessive data access pattern rather than code execution. No public exploit or CISA KEV listing exists at time of analysis; however, the intelligence tag 'Authentication Bypass' introduces a discrepancy with the PR:L metric that warrants verification against the full Oracle advisory.

RemediationAI

Apply Oracle's Critical Security Patch Update for August 2026, documented at https://www.oracle.com/security-alerts/cspuaug2026.html, which addresses this vulnerability in Oracle Commerce Experience Manager 11.4.0. The exact patched build version is not independently confirmed from the available data and must be retrieved directly from the Oracle advisory. As an interim compensating control, restrict HTTP access to the Experience Manager administrative and API endpoints to trusted internal networks or VPN-only paths, reducing the network-reachable attack surface. Enforce the principle of least privilege for all Commerce platform accounts, minimizing the population of low-privileged accounts that could be leveraged. Enable and review HTTP access logs for anomalous bulk data retrieval patterns. Disabling the Experience Manager component entirely removes the attack surface but eliminates merchandising and personalization capabilities and should only be considered if the patch cannot be applied promptly and the business impact is acceptable.

Affected VersionsENISA

Oracle Commerce Guided Search / Oracle Commerce Experience Manager 11.4.0

Affected Packages

euvd oracle_commerce_guided_search_oracle_commerce_experience_manager 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 Commerce Guided Search (formerly Endeca) is an enterprise e-commerce search and merchandising platform; Experience Manager is its content personalization and merchandising management layer, accessible over HTTP. The affected version is 11.4.0, confirmed by ENISA EUVD-2026-61950 and Oracle's August 2026 CPU advisory. No CWE is assigned, leaving the root-cause class unclassified from available data, though the combination of C:H, I:N, A:L in the CVSS vector is consistent with improper authorization (CWE-285) or insecure direct object reference patterns rather than memory corruption or injection. The CVSS vector AV:N/AC:L/PR:L/UI:N indicates the vulnerable endpoint is HTTP-reachable with no special configuration, requiring only a valid low-privileged session. No CPE string was included in the available intelligence data.

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Severity by source

Vendor (oracle) PRIMARY 7.1 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L
vuln.today AI 7.1 HIGH

Network-accessible via HTTP with low-privileged account required; high confidentiality and partial availability impact with no integrity exposure and unchanged scope match the description.

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

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

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

DescriptionCVE.org

Vulnerability in the Oracle Commerce Guided Search / Oracle Commerce Experience Manager product of Oracle Commerce (component: Experience Manager). The supported version that is affected is 11.4.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Commerce Guided Search / Oracle Commerce Experience Manager. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Commerce Guided Search / Oracle Commerce Experience Manager accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Commerce Guided Search / Oracle Commerce Experience Manager. CVSS 3.1 Base Score 7.1 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L).

Executive ViewAI

Why It Matters

Oracle Commerce Experience Manager 11.4.0 contains an authorization flaw that allows authenticated low-privilege users to access all platform data, exposing sensitive customer and business information to internal breach risk. Organizations running this version face immediate data breach liability and regulatory exposure without vendor remediation.

Business Impact: High
Compensating Controls

Network segmentation restricting Experience Manager access to authorized administrator networks; mandatory multi-factor authentication for all user accounts; enhanced audit logging with real-time alerting on bulk data retrieval and anomalous access patterns; Web Application Firewall rules to block low-privilege accounts from sensitive data endpoints; and quarterly manual security assessments until vendor patch is released.

Threat Intelligence Overview

EPSS Score
0.3%
Top 79% exploitable
Prevalence
Low
niche enterprise e-commerce platform, limited production 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 0.3%
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
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
No
Human Impact
High
Technical Impact
Partial

Priority Score

36
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +36
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.

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

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