EUVD-2026-61585
GHSA-4r7f-f57c-pgvm
Severity by source
AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
AV:A confirmed by description requiring physical segment adjacency; PR:N per authentication bypass tag; C:L/I:L reflect partial data access with no availability impact per Oracle's scoping.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
1DescriptionCVE.org
Vulnerability in the Oracle Hyperion Calculation Manager product of Oracle Hyperion (component: Security). The supported version that is affected is 11.2.25.0.000. Easily exploitable vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Oracle Hyperion Calculation Manager executes to compromise Oracle Hyperion Calculation Manager. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Hyperion Calculation Manager accessible data as well as unauthorized read access to a subset of Oracle Hyperion Calculation Manager accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N).
AnalysisAI
Authentication bypass in Oracle Hyperion Calculation Manager 11.2.25.0.000 (Security component) exposes EPM calculation data to unauthenticated attackers positioned on the same physical network segment. The adjacency constraint (AV:A) limits internet-based exploitation, but an insider or attacker already present on the local segment can bypass authentication to partially read or tamper with accessible application data. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to be physically or logically co-located on the same network segment as the Oracle Hyperion Calculation Manager 11.2.25.0.000 host - this is the hard constraint imposed by AV:A. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N) produces a Medium score of 5.4, and the individual metrics tell a consistent story: the adjacency attack vector meaningfully constrains who can exploit this - only attackers on the same physical or logical network segment. … 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 Security Patch Update, which addresses this vulnerability in Oracle Hyperion Calculation Manager 11.2.25.0.000; the advisory and patch details are 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
View allSame technique Authentication Bypass
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External POC / Exploit Code
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