What is the CVSS score of CVE-2026-71077?

CVE-2026-71077 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.2%.

Oracle Agile PLM MCAD Connector CVE-2026-71077

EUVD-2026-62022 MEDIUM

Improper Access Control (CWE-284)

2026-08-18 secalert_us@oracle.com

GHSA-4gc5-v3fx-mpqc

Authentication Bypass Oracle Agile Plm Mcad Connector

5.3

CVSS 3.1 · Vendor: oracle

Severity by source

Vendor (oracle) PRIMARY

5.3 MEDIUM

AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

vuln.today AI

5.3 MEDIUM

Adjacent vector and high complexity reflect physical-segment requirement; PR:N confirmed by unauthenticated bypass; confidentiality-only impact matches description with no integrity or availability loss.

3.1 AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

4.0 AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

Attack Vector

Adjacent

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Aug 19, 2026 - 04:40 vuln.today

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. Difficult to exploit vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Oracle Agile PLM MCAD Connector executes 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 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N).

AnalysisAI

Confidentiality compromise in Oracle Agile PLM MCAD Connector 3.6 (CAX Client component) allows an unauthenticated attacker with physical access to the local network segment to gain unauthorized access to all data accessible by the connector. The attack is adjacent-network and high-complexity, limiting realistic exposure to insider threats or attackers with pre-existing physical network presence. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation	Attacker must have physical presence on or logical access to the specific network communication segment (cable segment, VLAN, or subnet) to which the host running Oracle Agile PLM MCAD Connector 3.6 is attached - this is the AV:A (Adjacent) requirement. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment	Real-world risk is moderate-to-low despite the High confidentiality impact (C:H). … 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	Apply the patch or upgrade issued as part of Oracle's Critical Patch Update for August 2026, available at https://www.oracle.com/security-alerts/cspuaug2026.html. … Detailed patch versions, workarounds, and compensating controls in full report.