EUVD-2026-61556
GHSA-6999-587c-r3mh
Severity by source
AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Local logon required per description and AV:L; low-privilege account sufficient per PR:L; scope change confirmed; only confidentiality impacted with no integrity or availability effect.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
1DescriptionCVE.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 low privileged attacker with logon to the infrastructure where Oracle Hyperion Infrastructure Technology executes to compromise Oracle Hyperion Infrastructure Technology. While the vulnerability is in Oracle Hyperion Infrastructure Technology, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Hyperion Infrastructure Technology accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N).
AnalysisAI
Confidentiality compromise in Oracle Hyperion Infrastructure Technology 11.2.25.0.000 allows a low-privileged local attacker to gain unauthorized access to critical or complete Hyperion-accessible data, with a confirmed scope change that can cascade impact to additional co-hosted Oracle Hyperion products. The vulnerable component is Installation and Configuration, and the 'Authentication Bypass' tag in the intelligence source suggests access controls within this subsystem can be circumvented despite requiring an initial local OS-level logon. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a local OS-level logon to the specific host where Oracle Hyperion Infrastructure Technology 11.2.25.0.000 is installed - the attack vector is strictly local (AV:L), meaning remote-network-only access is insufficient and the attacker cannot exploit this over the network without prior access to the host. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The vendor-assigned CVSS 3.1 score of 6.5 appropriately reflects a medium-severity vulnerability whose real-world impact is bounded by the requirement for local OS-level access (AV:L), limiting the attacker pool to insiders, compromised service accounts, or threat actors who have already achieved an initial foothold on the Hyperion host. … 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 to apply the patch issued by Oracle as part of the Critical Patch Update for August 2026, 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
View allSame technique Authentication Bypass
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External POC / Exploit Code
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