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Oracle Hyperion CVE-2026-62558

| EUVDEUVD-2026-61549 MEDIUM
Improper Access Control (CWE-284)
2026-08-18 secalert_us@oracle.com GHSA-g445-wcv9-wg79
6.3
CVSS 3.1 · Vendor: oracle
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Severity by source

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

Local vector confirmed by description requiring host logon; PR:N reflects no Hyperion-level credentials needed, not OS access; no availability impact stated.

3.1 AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
4.0 AV:L/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

Lifecycle Timeline

1
Analysis Generated
Aug 19, 2026 - 05:36 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. Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle Hyperion Infrastructure Technology executes to compromise Oracle Hyperion Infrastructure Technology. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Hyperion Infrastructure Technology accessible data as well as unauthorized access to critical data or complete access to all Oracle Hyperion Infrastructure Technology accessible data. CVSS 3.1 Base Score 6.3 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N).

AnalysisAI

Oracle Hyperion Infrastructure Technology version 11.2.25.0.000 allows a local attacker without Hyperion-level credentials to gain unauthorized read and write access to critical Hyperion data through a flaw in the Installation and Configuration component. Exploitation requires physical or logical presence on the infrastructure host and successful social engineering of a legitimate user to trigger the vulnerable condition, consistent with the CVSS 3.1 vector AV:L/AC:H/UI:R. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires the attacker to have an active logon session on the operating system or infrastructure host where Oracle Hyperion Infrastructure Technology 11.2.25.0.000 executes - this is not a remotely triggerable vulnerability. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 score of 6.3 accurately reflects a constrained but consequential risk profile. … 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 The primary remediation is applying Oracle's Critical Patch Update for August 2026, referenced at https://www.oracle.com/security-alerts/cspuaug2026.html. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-62558 vulnerability details – vuln.today

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