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Oracle Agile PLM MCAD Connector CVE-2026-71067

| EUVDEUVD-2026-62012 HIGH
Missing Authentication for Critical Function (CWE-306)
2026-08-18 secalert_us@oracle.com GHSA-hjmc-xxrf-6mfx
8.8
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 HTTP account credentials
  2. Delivery
    Connect to CAX Client interface over HTTP
  3. Exploit
    Send crafted malicious HTTP request
  4. Execution
    Exploit CAX Client vulnerability
  5. Impact
    Achieve full system takeover (C:H/I:H/A:H)

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication required for critical functions
MITRE ATT&CK

1 technique across 1 tactic: Initial Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Requires a valid low-privileged account (PR:L per CVSS vector) on or with HTTP access to the Oracle Agile PLM MCAD Connector version 3.6. Network connectivity to the CAX Client component over HTTP is required (AV:N). No user interaction is needed on the target side (UI:N), and attack complexity is low (AC:L), meaning no race conditions, specific timing, or advanced configuration knowledge is required beyond credentials. The limiting factor is the requirement for at least a low-privileged credential - unauthenticated exploitation is not indicated by the CVSS vector. The vulnerability is specific to version 3.6; other versions are not confirmed affected. The CAX Client must be network-reachable from the attacker's position, which in many enterprise deployments may be restricted to internal networks.

Impact

The CVSS 3.1 score of 8.8 is supported by high-impact metrics across all three pillars (C:H/I:H/A:H) with low attack complexity and no user interaction - conditions that Oracle itself labels 'easily exploitable' in the advisory text. The PR:L requirement means an attacker must hold at least a low-privileged account, which is a meaningful but low barrier in enterprise environments with shared credentials or self-service account provisioning. No EPSS score was provided, limiting probabilistic exploitation forecasting. No KEV listing and no known POC reduce urgency compared to actively exploited peers, but the ease of exploitation (AC:L/UI:N) means that once a POC emerges, broad exploitation would be rapid. The tag 'Information Disclosure' in the source data understates the actual risk - the CVSS vector and Oracle's 'takeover' language confirm integrity and availability loss in addition to confidentiality. The product's niche footprint (PLM/CAD integration in manufacturing) limits the overall population at risk, but organizations with active Agile PLM deployments should treat this as high priority given the severity of the takeover outcome.

Exploit ScenarioDerived

An attacker with a low-privileged account on the Oracle Agile PLM MCAD Connector sends a specially crafted HTTP request to the CAX Client interface, exploiting the vulnerability with no need for user interaction or elevated privileges. Given the AC:L rating and Oracle's 'easily exploitable' characterization, exploitation is straightforward and likely scriptable once the attack method is understood. Successful exploitation results in full takeover of the connector, potentially exposing sensitive PLM design data, intellectual property, supply chain records, and CAD artifacts managed by the system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAIv1 – Aug 18, 2026

Full takeover of Oracle Agile PLM MCAD Connector 3.6 is achievable by a low-privileged network attacker targeting the CAX Client component over HTTP. Oracle's own advisory characterizes this as 'easily exploitable,' consistent with the CVSS vector showing no attack complexity and no user interaction required. No public exploit code or CISA KEV listing exists at time of analysis, but the combination of high-impact metrics and Oracle's 'easily exploitable' classification makes this a serious priority for affected Supply Chain environments.

RemediationAI

Apply Oracle's Critical Security Patch Update (CSPU) for August 2026, available via https://www.oracle.com/security-alerts/cspuaug2026.html. Oracle does not publish granular patch version numbers for Agile PLM releases in this advisory; organizations should follow Oracle's CPU patching instructions for the Supply Chain product family. An exact patched build version is not independently confirmed from the provided data. As a compensating control pending patching, restrict HTTP network access to the CAX Client component to trusted internal IP ranges only - blocking external or untrusted network access raises the effective attack complexity and eliminates remote exploitation from outside the perimeter. Additionally, audit low-privileged accounts with access to the MCAD Connector and revoke any unnecessary credentials; reducing the attacker pool mitigates the PR:L prerequisite. Note that network-layer controls do not fix the underlying vulnerability and should be treated as temporary measures only.

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) MCAD Connector is a Supply Chain product that bridges mechanical CAD (MCAD) authoring tools with Oracle's Agile PLM platform, enabling product data and design artifact synchronization. The vulnerable component is the CAX Client, which handles communication between CAD client applications and the PLM backend over HTTP. The affected version is specifically 3.6 as confirmed by the EUVD advisory (EUVD-2026-62012) and Oracle CSPU August 2026. CWE has not been assigned by NVD, leaving the precise root-cause class - such as improper authorization, injection, or deserialization - unclassified from available data. The HTTP-facing nature of the CAX Client (AV:N) suggests an externally reachable service interface is involved.

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Severity by source

Vendor (oracle) PRIMARY 8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
vuln.today AI 8.8 HIGH

Network-reachable HTTP interface requires only low-privileged credentials; no interaction needed; full takeover justifies C:H/I:H/A:H with no scope change.

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

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 takeover of Oracle Agile PLM MCAD Connector. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Executive ViewAI

Why It Matters

Oracle Agile PLM MCAD Connector 3.6 is vulnerable to complete remote takeover by low-privileged network attackers; no public exploit has been identified at time of analysis, but Oracle characterizes the vulnerability as 'easily exploitable,' creating urgent risk to supply chain planning systems critical to procurement and manufacturing operations. With no vendor patch available, immediate containment and access restrictions are essential to prevent compromise. Leadership should prioritize this as a critical infrastructure vulnerability requiring rapid remediation planning.

Business Impact: Severe
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations: restrict HTTP access to MCAD Connector CAX Client via firewall to trusted networks only; implement network segmentation isolating affected instances from general production environments; deploy intrusion detection/prevention signatures targeting exploitation attempts; enforce multi-factor authentication for all administrative access to Agile PLM and CAX Client; implement comprehensive logging and monitoring of connector activity; establish manual process workarounds for non-critical Agile PLM functions if operationally feasible.

Threat Intelligence Overview

EPSS Score
0.4%
Top 63% exploitable
Prevalence
Low
niche enterprise PLM-to-CAD integration component
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 0.4%
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
Very High
Technical Impact
Total

Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +44
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

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