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Oracle Hyperion CVE-2026-62566

| EUVDEUVD-2026-61551 MEDIUM
Improper Access Control (CWE-284)
2026-08-18 secalert_us@oracle.com GHSA-523h-j426-f6fv
Authentication Bypass Oracle Hyperion Infrastructure Technology
5.3
CVSS 3.1 · Vendor: oracle
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Severity by source

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

Network-reachable unauthenticated read over HTTP with no interaction; only partial confidentiality loss, no integrity or availability impact, scope unchanged.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/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
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

1
Analysis Generated
Aug 19, 2026 - 05:35 vuln.today

DescriptionCVE.org

Vulnerability in the Oracle Hyperion Infrastructure Technology product of Oracle Hyperion (component: Installation and Configuration). The supported version that is affected is 11.2.25.0.000. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hyperion Infrastructure Technology. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Hyperion Infrastructure Technology accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

AnalysisAI

Unauthenticated information disclosure in Oracle Hyperion Infrastructure Technology 11.2.25.0.000 exposes a subset of accessible data to remote attackers over HTTP without requiring any credentials. The vulnerability resides in the Installation and Configuration component and is classified by Oracle as an authentication bypass, meaning the access control mechanism protecting configuration-related data can be circumvented without any prior authentication. …

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Vulnerability AssessmentAI

Exploitation No authentication is required and no user interaction is needed, as confirmed by the CVSS vector (PR:N/UI:N/AC:L/AV:N). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 base score of 5.3 (Medium) reflects a read-only, partial-confidentiality impact with no integrity or availability consequence, which is consistent with an unauthenticated information disclosure rather than a full compromise. … 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 Oracle Critical Security Patch Update released in August 2026, available 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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CVE-2026-62566 vulnerability details – vuln.today
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