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Oracle Commerce CVE-2026-70998

| EUVDEUVD-2026-61945 CRITICAL
Improper Access Control (CWE-284)
2026-08-18 secalert_us@oracle.com GHSA-h2wp-f57j-hq8v
9.3
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
    Locate reachable Endeca Application Controller
  2. Delivery
    Send crafted unauthenticated HTTP request
  3. Exploit
    Bypass authentication check
  4. Execution
    Access data across trust boundary
  5. Impact
    Exfiltrate critical data and alter records

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 HTTP network access to the Endeca Application Controller service of an Oracle Commerce Guided Search / Experience Manager 11.4.0 deployment; no credentials, user interaction, or non-default configuration are needed (AV:N/AC:L/PR:N/UI:N), so any reachable EAC endpoint is exploitable. The primary limiting factors are network reachability and version: only supported version 11.4.0 is named as affected, and EAC is frequently deployed on internal management networks rather than exposed to the internet - deployments that keep the controller off untrusted networks materially reduce real-world exposure even though the CVSS vector itself imposes no such constraint.

Impact

This is a genuine high-priority issue rather than a paper-tiger high score: the CVSS vector (AV:N/AC:L/PR:N/UI:N) describes low-complexity, unauthenticated, network-reachable exploitation, and Oracle explicitly calls it 'easily exploitable,' which is a strong signal on its own. The dominant impact is confidentiality (C:H) - unauthorized read of critical commerce data - with partial integrity damage (I:L) and no availability impact (A:N), and the scope change (S:C) is what pushes the score to 9.3. Countervailing signals are limited: there is no EPSS value supplied, no KEV listing, and no known public POC, so exploitation probability data is absent rather than reassuring - Oracle Critical Patch Update flaws historically attract reverse-engineering once the fix ships. Any organization running an internet-exposed or broadly network-reachable Endeca Application Controller should treat this as urgent and patch in the current Oracle CPU cycle; the missing EPSS/KEV data should not be read as low risk given the unauthenticated, easily-exploitable profile.

Exploit ScenarioDerived

An attacker who can reach the Endeca Application Controller's HTTP interface sends a crafted request that bypasses authentication and invokes management/data functionality without any credentials, then reads sensitive commerce catalog, configuration, or customer-facing data and makes limited unauthorized modifications. Given AC:L and PR:N, no user interaction or special timing is needed; the scope change means the attacker may reach resources in managed applications beyond EAC itself. No public exploit code has been identified at time of analysis, but the low complexity makes independent weaponization plausible once the patch is analyzed.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Aug 18, 2026

Unauthenticated authentication bypass in Oracle Commerce Guided Search / Oracle Commerce Experience Manager (Endeca Application Controller), version 11.4.0, lets a remote attacker reach the application over HTTP without credentials and read critical data while also tampering with a subset of it. Because the flaw carries a scope change, successful exploitation can reach beyond the vulnerable component and affect additional products in the deployment. Oracle rates it CVSS 3.1 9.3; there is no public exploit identified at time of analysis and it is not listed in CISA KEV.

RemediationAI

Apply the fix from the Oracle Critical Patch Update of August 2026 (https://www.oracle.com/security-alerts/cspuaug2026.html) - patch available per vendor advisory; Oracle did not publish a separate fixed build number in the supplied data, so use the CPU-mapped patch for Oracle Commerce 11.4.0 and do not assume an unlisted version. Until the CPU patch is deployed, restrict network reachability of the Endeca Application Controller: place it behind the corporate perimeter and remove any direct internet exposure, and use network ACLs or a firewall to allow HTTP/HTTPS access to the EAC control ports only from trusted management hosts and the workflow/indexing tier that legitimately needs them (trade-off: automation or remote admin tooling that reaches EAC directly must be added to the allowlist or it will break). Front the controller with a reverse proxy that enforces authentication/mTLS if your deployment permits, and monitor EAC HTTP logs for unauthenticated management calls. These are compensating controls only - they reduce exposure but do not remediate the underlying bypass, so patching remains mandatory.

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 affected component is the Endeca Application Controller (EAC), the management/orchestration tier of Oracle's Endeca-based commerce search stack (Guided Search and Experience Manager). EAC exposes HTTP-based control services used to provision and manage Endeca applications, indexing (Dgraph/MDEX) and content deployment. The vendor tag 'Authentication Bypass' aligns with the CVSS PR:N and the description's 'unauthenticated attacker' wording, indicating the root cause is a missing or improperly enforced authentication/access-control check on network-facing EAC functionality (broadly CWE-287/CWE-306 class; NVD lists CWE as N/A). The scope-change flag (S:C) reflects that EAC coordinates other components, so a compromise of the controller can pivot into managed application resources beyond EAC's own security authority.

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Severity by source

Vendor (oracle) PRIMARY 9.3 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N
vuln.today AI 9.3 CRITICAL

Unauthenticated HTTP-reachable auth bypass gives AV:N/AC:L/PR:N/UI:N; controller compromise pivots to managed resources (S:C); mainly data read (C:H) with limited writes (I:L) and no availability impact.

3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:L/SI:L/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
Low
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. 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 9.3 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N).

Executive ViewAI

Why It Matters

Oracle Commerce Guided Search / Experience Manager (Endeca Application Controller) version 11.4.0 contains a critical authentication bypass vulnerability (CVE-2026-70998, CVSS 9.3) that allows remote attackers to read and modify sensitive business data without credentials. The vulnerability's network-wide scope change means successful exploitation can compromise interconnected systems and databases beyond the Commerce platform itself. Immediate containment is required to prevent unauthorized access to customer and transaction data.

Business Impact: Severe
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations: (1) restrict network access via firewall to limit exposure to trusted internal networks; (2) implement reverse-proxy or WAF rules to detect exploitation attempts; (3) enable comprehensive HTTP and application logging to detect unauthorized access; (4) isolate affected systems from downstream dependencies to prevent lateral compromise; (5) monitor Oracle security advisories weekly for patch releases; (6) if feasible, temporarily offline non-critical Commerce instances until patches are released.

Threat Intelligence Overview

EPSS Score
0.3%
Top 82% exploitable
Prevalence
Low
legacy niche Oracle Endeca commerce search, limited modern deployment
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 CRITICAL
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
CRITICAL severity
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

46
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +46
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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