EUVD-2026-61351
GHSA-8x9w-fpj6-q276
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Network-delivered HTTP bypass requires no attacker privileges; human interaction required for exploitation; description confirms no availability impact.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.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 network access via HTTP to compromise Oracle Hyperion Calculation Manager. 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 Calculation Manager accessible data as well as unauthorized access to critical data or complete access to all Oracle Hyperion Calculation Manager accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N).
AnalysisAI
Authentication bypass in Oracle Hyperion Calculation Manager 11.2.25.0.000 allows unauthenticated network attackers to fully compromise both confidentiality and integrity of all data accessible within the product via HTTP. The flaw resides in the Security component and, once triggered, grants read, creation, deletion, and modification access to critical data - impacts consistent with complete data ownership. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker requires network access to the Oracle Hyperion Calculation Manager HTTP interface - no credentials or prior authentication are needed on the attacker's side. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 8.1 (High) reflects a network-accessible, low-complexity authentication bypass with no privilege prerequisites resulting in full confidentiality and integrity 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 Oracle's Critical Patch Update for August 2026, available at https://www.oracle.com/security-alerts/cspuaug2026.html; Oracle CPU patches are cumulative and the exact patched build version beyond the CPU reference is not independently confirmed in available data. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, isolate all Hyperion Calculation Manager 11.2.25.0.000 instances from untrusted networks and document the scope of accessible data and user base to assess exposure. …
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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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