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Agile PLM MCAD Connector CVE-2026-71070

| EUVDEUVD-2026-62015 MEDIUM
Improper Access Control (CWE-284)
2026-08-18 secalert_us@oracle.com GHSA-c8xr-256q-qhgf
6.5
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
    Obtain low-privilege PLM credential
  2. Exploit
    Send crafted HTTP request to CAX Client
  3. Execution
    Bypass authorization controls
  4. Impact
    Enumerate and exfiltrate all PLM-accessible 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 a valid low-privileged account on Oracle Agile PLM MCAD Connector version 3.6, with network connectivity to the CAX Client HTTP endpoint. The CVSS PR:L metric confirms that at least one authenticated credential is necessary - unauthenticated exploitation is not indicated by the available data. Once that minimal credential is present, the Authentication Bypass tag indicates no additional privileges are needed to access all data accessible to the connector; no special configuration or non-default deployment mode is required beyond standard network exposure of the HTTP service. Limiting factors include: the attacker must obtain at least one valid user credential, exploitation is bounded to data accessible to the MCAD Connector (not necessarily the full PLM database), and the confirmed affected version is specifically 3.6. No user interaction is required (UI:N) and attack complexity is low (AC:L), making the exploit trivially automatable once credentials are available.

Impact

The CVSS 3.1 score of 6.5 reflects a network-accessible, low-complexity flaw requiring only a low-privileged account, yielding high confidentiality impact with no integrity or availability loss - a pattern typical of authorization bypass leading to data disclosure rather than code execution. Oracle's designation of the vulnerability as 'easily exploitable' is a deliberate signal in their advisory language and meaningfully lowers the estimated exploitation bar. No EPSS score was provided in the available data, and the vulnerability is absent from the CISA KEV catalog, suggesting no confirmed widespread active exploitation at time of analysis. The Authentication Bypass tag creates slight interpretive tension with the PR:L metric: the most consistent reading is that a low-privilege credential is required to initiate the HTTP session, after which authorization controls are entirely circumvented to expose data beyond the attacker's permitted scope - even a mid-sized industrial IT team in opole managing PLM infrastructure should treat this as a priority patch given the intellectual property sensitivity of engineering data typically stored in PLM systems. The absence of a CWE assignment by Oracle reduces confidence in the precise root cause, and no independent vendor advisory beyond the Oracle CPU has been identified.

Exploit ScenarioDerived

An attacker in possession of any low-privileged Oracle Agile PLM account - such as a contractor, read-only reviewer, or a credential obtained through phishing - sends crafted HTTP requests to the CAX Client component of the MCAD Connector, bypassing authorization enforcement and retrieving data far beyond their permitted scope. Because the attack requires no user interaction and low complexity, an insider threat or a threat actor who has compromised a single low-value credential can immediately enumerate and exfiltrate the complete set of PLM-accessible data, potentially including sensitive MCAD design files and product specifications. No public exploit code has been identified at time of analysis.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAIv1 – Aug 19, 2026

Unauthorized data disclosure in Oracle Agile PLM MCAD Connector 3.6 allows any low-privileged authenticated attacker with HTTP network access to bypass authorization controls in the CAX Client component and read the entire dataset accessible to the connector. The vulnerability is tagged Authentication Bypass, indicating that after obtaining a minimal credential foothold, no additional privilege escalation is needed to access critical PLM data such as engineering designs and product specifications. Oracle's own advisory characterizes the flaw as 'easily exploitable,' and no public exploit code or CISA KEV listing has been identified at time of analysis.

RemediationAI

Apply the patch issued as part of Oracle's Critical Patch Update for August 2026, detailed at https://www.oracle.com/security-alerts/cspuaug2026.html. A specific patched build or version number was not independently confirmed from the available data - reference the Oracle CPU advisory directly to identify the exact patch set required for version 3.6. As a compensating control prior to patching, restrict HTTP network access to the CAX Client interface using firewall rules or network segmentation, limiting connectivity to only authorized MCAD workstations and PLM administrators; this reduces the attack surface but does not remediate the underlying authorization flaw and may disrupt legitimate MCAD integrations if not scoped carefully. Additionally, audit all accounts with access to the MCAD Connector and revoke or restrict any accounts with unnecessarily broad entitlements while the patch is being applied.

Affected VersionsENISA

Oracle Agile PLM MCAD Connector 3.6

Affected Packages

euvd oracle_agile_plm_mcad_connector 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 Agile PLM (Product Lifecycle Management) is an enterprise platform for managing product data, engineering workflows, and lifecycle governance, primarily in manufacturing and engineering sectors. The MCAD Connector integrates Mechanical CAD tools - such as CATIA, SolidWorks, or Creo - with the Agile PLM backend, and the CAX Client is the specific HTTP-exposed interface component facilitating that integration. The vulnerability resides in the CAX Client of version 3.6, reachable over HTTP per the CVSS AV:N metric. The Authentication Bypass tag is consistent with an authorization enforcement failure after initial session establishment - the attacker's low-privilege session is sufficient to initiate requests, but authorization controls governing data scope are not properly enforced, aligning with CWE-285 (Improper Authorization) or CWE-863 (Incorrect Authorization), though Oracle did not assign a formal CWE. The affected product is confirmed as Oracle Agile PLM MCAD Connector 3.6 per ENISA EUVD-2026-62015.

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Severity by source

Vendor (oracle) PRIMARY 6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
vuln.today AI 6.5 MEDIUM

Network HTTP endpoint requires low-privilege auth to initiate; authorization bypass yields full confidentiality loss with no integrity or availability impact.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/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
None

DescriptionCVE.org

Vulnerability in the Oracle Agile PLM MCAD Connector product of Oracle Supply Chain (component: CAX Client). The supported version that is affected is 3.6. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Agile PLM MCAD Connector. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Agile PLM MCAD Connector accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).

Threat Intelligence Overview

EPSS Score
0.4%
Top 71% exploitable
Prevalence
Low
niche enterprise PLM MCAD integration tool, manufacturing sector only
Data Quality
4 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 MEDIUM
CISA KEV No
Public POC No
EPSS 0.4%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
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· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +32
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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