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Oracle Commerce CVE-2026-71021

| EUVDEUVD-2026-61968 HIGH
Improper Access Control (CWE-284)
2026-08-18 secalert_us@oracle.com GHSA-x4gc-5gc4-hx6g
7.6
CVSS 3.1 · Vendor: oracle
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Severity by source

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

PR:L confirmed by low-privileged attacker requirement; UI:R confirmed by human interaction prerequisite; S:C by cross-component impact; no availability impact identified.

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

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

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

Lifecycle Timeline

2
Analysis Generated
Aug 18, 2026 - 23:20 vuln.today
CVE Published
Aug 18, 2026 - 21:18 nvd
HIGH 7.6

DescriptionCVE.org

Vulnerability in the Oracle Commerce Guided Search / Oracle Commerce Experience Manager product of Oracle Commerce (component: Endeca Application Controller). 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 require human interaction from a person other than the attacker and while the vulnerability is in Oracle Commerce Guided Search / Oracle Commerce Experience Manager, 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 Commerce Guided Search / Oracle Commerce Experience Manager accessible data as well as unauthorized update, insert or delete access to some of Oracle Commerce Guided Search / Oracle Commerce Experience Manager accessible data. CVSS 3.1 Base Score 7.6 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N).

AnalysisAI

Unauthorized data access and partial data manipulation in Oracle Commerce Guided Search / Oracle Commerce Experience Manager 11.4.0 allows a network-accessible, low-privileged authenticated attacker to compromise the Endeca Application Controller through HTTP, provided a victim user interacts with attacker-controlled content. The vulnerability carries a scope change, meaning successful exploitation can cascade to affect additional Oracle Commerce components beyond the directly targeted product, resulting in high confidentiality impact and limited integrity compromise. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
technique details hidden
Execution
technique details hidden
Persist
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires the attacker to hold a valid low-privileged account on the Oracle Commerce 11.4.0 instance with network access via HTTP to the Endeca Application Controller - this is not an unauthenticated attack. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 score of 7.6 reflects a meaningful combination of network accessibility, low attack complexity, and a scope change yielding high confidentiality impact - factors that together indicate a genuinely exploitable vulnerability. … 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 The primary remediation is to apply Oracle's Critical Patch Update for August 2026, which addresses this vulnerability for Oracle Commerce Guided Search / Oracle Commerce Experience Manager 11.4.0; the advisory is published at https://www.oracle.com/security-alerts/cspuaug2026.html. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Identify all Oracle Commerce 11.4.0 instances in production and document their network exposure and user population scale. …

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Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-71021 vulnerability details – vuln.today

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