EUVD-2026-61449
GHSA-r28p-r669-w3h4
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Oracle states unauthenticated network HTTP access with low complexity yielding full product takeover, so AV:N/AC:L/PR:N/UI:N and C:H/I:H/A:H; scope unchanged as impact stays within the application.
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 of this vulnerability can result in takeover of Oracle Hyperion Calculation Manager. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
AnalysisAI
Full remote takeover of Oracle Hyperion Calculation Manager 11.2.25.0.000 is possible by an unauthenticated attacker over HTTP, per Oracle's Critical Patch Update advisory (CSPUAUG2026). The flaw sits in the product's Security component and yields complete compromise of confidentiality, integrity, and availability (CVSS 3.1 9.8). …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions beyond network reachability - remote unauthenticated exploitation over HTTP against version 11.2.25.0.000 of Oracle Hyperion Calculation Manager, with no authentication (PR:N), no user interaction (UI:N), and low attack complexity (AC:L). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The signals are strongly aligned toward high real-world risk: CVSS 3.1 base score 9.8 with AV:N/AC:L/PR:N/UI:N means remote, unauthenticated, low-complexity exploitation with no user interaction, and C:H/I:H/A:H indicates total 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 fixes in Oracle's August 2026 Critical Patch Update, which is the vendor's coordinated release addressing this CVE - patch available per vendor advisory at https://www.oracle.com/security-alerts/cspuaug2026.html (no standalone fixed version number was provided in the input, so consult the CPU matrix for the exact Hyperion EPM patch level). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Inventory all deployed instances of Oracle Hyperion Calculation Manager 11.2.25.0.000 and immediately restrict HTTP network access to administrative networks and VPN only; enable detailed logging on all instances to capture any exploitation attempts and baseline normal traffic patterns. …
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External POC / Exploit Code
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