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Oracle Commerce EUVDEUVD-2026-61970

| CVE-2026-71023 HIGH
Improper Access Control (CWE-284)
2026-08-18 secalert_us@oracle.com GHSA-85hr-m3p6-q222
7.5
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 network-reachable Endeca Application Controller HTTP endpoint
  2. Exploit
    Send unauthenticated HTTP request to bypass access controls
  3. Execution
    Issue privileged controller commands
  4. Impact
    Create, delete, or modify critical Oracle Commerce data

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 network-level HTTP access to the Endeca Application Controller endpoint in Oracle Commerce Guided Search / Oracle Commerce Experience Manager 11.4.0. The CVSS vector (AV:N/AC:L/PR:N/UI:N) confirms that no authentication, no special configuration, and no user interaction are required - any attacker who can reach the controller over HTTP is in scope. The primary limiting factor is network exposure: organizations that restrict the Endeca Application Controller to internal management networks or VPN-only access significantly reduce practical risk, as the attack path is entirely network-dependent. Only version 11.4.0 is confirmed affected per the vendor advisory; other version lines are not listed as vulnerable. No platform-specific or OS-specific preconditions are identified in the available data.

Impact

The CVSS 7.5 score reflects a meaningful real-world risk: the attack vector is network (AV:N), complexity is low (AC:L), no privileges are required (PR:N), and no user interaction is needed (UI:N) - the theoretical attack barrier is essentially zero for any attacker with HTTP connectivity to the controller. Integrity impact is high (I:H), meaning full data manipulation is in scope, but confidentiality (C:N) and availability (A:N) are unaffected, capping the worst-case scenario at data corruption or poisoning rather than breach or outage. No EPSS score is available in the provided data, so exploitation probability cannot be quantified against peer vulnerabilities. The absence of a CISA KEV listing and no known public POC moderately reduces urgency relative to a confirmed-exploited flaw, but the 'easily exploitable' vendor classification and PR:N/AC:L profile mean that if the controller is internet-exposed or accessible from an untrusted network segment, exploitation would require minimal attacker sophistication. Organizations with the Endeca Application Controller firewalled to internal networks face substantially lower real-world risk than those with internet-facing deployments.

Exploit ScenarioDerived

An unauthenticated attacker with HTTP access to a network-exposed Oracle Commerce Guided Search 11.4.0 instance sends crafted HTTP requests directly to the Endeca Application Controller, bypassing authentication controls due to the missing enforcement on the controller interface. The attacker then issues commands to create, modify, or delete critical commerce data - such as altering product catalog entries, pricing rules, or guided navigation configurations - without possessing any valid credentials. No public POC is known at time of analysis, but the low attack complexity and zero-privilege requirement mean the attack is straightforward to replicate once the endpoint path is identified.

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

Unauthenticated remote data manipulation in Oracle Commerce Guided Search / Oracle Commerce Experience Manager 11.4.0 exposes the Endeca Application Controller to attackers who can create, delete, or modify critical commerce data over HTTP with no credentials required. The CVSS vector (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N) and Oracle's own characterization of the flaw as 'easily exploitable' confirm a low-barrier attack path with high integrity impact. No public exploit and no CISA KEV listing are identified at time of analysis, though the authentication bypass tag signals a fundamental access control failure in the controller interface.

RemediationAI

Apply Oracle's Critical Security Patch Update for August 2026, documented at https://www.oracle.com/security-alerts/cspuaug2026.html, which addresses CVE-2026-71023 in Oracle Commerce Guided Search / Oracle Commerce Experience Manager 11.4.0. The exact patched version number is not independently confirmed from the available intelligence data beyond the CPU advisory reference - consult Oracle's CPU documentation directly to identify the precise target release. As an immediate compensating control pending patch deployment, restrict network access to the Endeca Application Controller's HTTP interface to trusted internal IP ranges or administrative bastions using firewall or WAF rules; this eliminates the network-reachability precondition and effectively neutralizes the unauthenticated attack path with negligible operational impact for environments where the controller is not legitimately internet-facing. Additionally, review application server and reverse proxy configurations to confirm the controller endpoint is not inadvertently exposed through routing or proxy rules.

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

The Endeca Application Controller is an administrative HTTP interface within Oracle's Commerce Guided Search and Experience Manager platform, which is built on Oracle's Endeca Information Access Platform - an enterprise search and guided navigation product commonly deployed in large-scale retail and B2B e-commerce environments. The 'Authentication Bypass' tag from the intelligence metadata indicates the controller fails to enforce authentication on one or more HTTP-accessible endpoints, allowing unauthenticated callers to invoke privileged operations. No formal CWE is assigned in the available data, but authentication bypass flaws of this class typically correspond to CWE-287 (Improper Authentication) or CWE-306 (Missing Authentication for Critical Function). The affected version is 11.4.0; no CPE strings were included in the provided intelligence data to further scope the platform or OS environment.

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Severity by source

Vendor (oracle) PRIMARY 7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
vuln.today AI 7.5 HIGH

Authentication bypass over HTTP requires no privileges (PR:N) and delivers only integrity impact; confidentiality and availability are unaffected per the description.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/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
Unchanged
Confidentiality
None
Integrity
High
Availability
None

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 unauthenticated 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 creation, deletion or modification access to critical data or all Oracle Commerce Guided Search / Oracle Commerce Experience Manager accessible data. CVSS 3.1 Base Score 7.5 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N).

Executive ViewAI

Why It Matters

Oracle Commerce Guided Search and Commerce Experience Manager 11.4.0 contain an unauthenticated remote data manipulation vulnerability in the Endeca Application Controller, allowing any network attacker to create, delete, or modify critical commerce data without credentials or user interaction. This directly threatens transaction integrity, inventory accuracy, and order records-requiring immediate defensive measures as no vendor patch is currently available.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations include: (1) restrict network access to the Endeca Application Controller via firewall rules to authorized internal networks only, reducing the attack surface to trusted administrative segments; (2) implement enhanced audit logging on all controller-level transactions to enable rapid detection of unauthorized data modifications; (3) deploy network segmentation to isolate the Commerce Experience Manager environment from untrusted or external networks; (4) establish automated monitoring and alerting on transactional logs, inventory records, and customer orders for unexplained additions, deletions, or modifications; (5) consider Web Application Firewall rules that validate request origins and block suspicious manipulation patterns.

Threat Intelligence Overview

EPSS Score
0.3%
Top 82% exploitable
Prevalence
Low
enterprise e-commerce platform, niche large-retail and B2B deployments
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
Yes
Human Impact
High
Technical Impact
Partial

Priority Score

38
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +38
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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