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Oracle Access Manager EUVDEUVD-2026-62067

| CVE-2026-71124 MEDIUM
Improper Access Control (CWE-284)
2026-08-18 secalert_us@oracle.com GHSA-p37j-9357-r87m
Authentication Bypass Denial Of Service Oracle Access Manager
4.3
CVSS 3.1 · Vendor: oracle
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Severity by source

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

Network-reachable via TCP with low complexity, but a valid low-privileged account is required; impact is strictly partial availability with no confidentiality or integrity effect.

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

Lifecycle Timeline

1
Analysis Generated
Aug 19, 2026 - 03:32 vuln.today

DescriptionCVE.org

Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authorization Engine). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows low privileged attacker with network access via TCP to compromise Oracle Access Manager. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Access Manager. CVSS 3.1 Base Score 4.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L).

AnalysisAI

Partial denial-of-service exposure in Oracle Access Manager's Authorization Engine affects supported versions 12.2.1.4.0 and 14.1.2.1.0, reachable by any low-privileged network user over TCP. An authenticated attacker with minimal account privileges can disrupt availability of the Authorization Engine, potentially interrupting access-control decisions for applications federated through OAM. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Delivery
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Exploit
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Execution
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Vulnerability AssessmentAI

Exploitation A valid low-privileged account within network reach of the Oracle Access Manager Authorization Engine over TCP is required, confirmed by the CVSS PR:L metric. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L) yields a Medium score of 4.3, reflecting low attack complexity and broad network reachability but constrained by a PR:L prerequisite - a valid low-privileged account is required - and a strictly bounded impact of partial availability only, with zero confidentiality or integrity loss. … 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 Oracle's August 2026 Critical Patch Update, which addresses this vulnerability as documented at https://www.oracle.com/security-alerts/cspuaug2026.html. … Detailed patch versions, workarounds, and compensating controls in full report.
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Same weakness CWE-284 – Improper Access Control

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EUVD-2026-62067 vulnerability details – vuln.today
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