EUVD-2026-61350
GHSA-rmg4-44wx-5vvg
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Network HTTP vector, low complexity, low-privilege credential sufficient, no interaction, full takeover impact, scope unchanged - vendor-provided vector is consistent with the description.
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 low privileged 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 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
AnalysisAI
Full system compromise of Oracle Hyperion Calculation Manager 11.2.25.0.000 is achievable by a low-privileged network attacker via HTTP, with the Security component identified as the vulnerable surface. The CVSS 3.1 score of 8.8 reflects high impacts across confidentiality, integrity, and availability, consistent with Oracle's own characterization of complete product 'takeover.' No public exploit code has been identified at time of analysis, and the vulnerability is not listed in the CISA KEV catalog, though the low attack complexity and minimal privilege requirements make this a credible near-term exploitation target.
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must possess at least one valid low-privileged account with network HTTP access to Oracle Hyperion Calculation Manager version 11.2.25.0.000 - this is the primary and only confirmed prerequisite per the CVSS vector (PR:L, AV:N, AC:L). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 8.8 is well-supported by the vector's combination of network attack surface, low complexity, low privilege requirement, and full high-impact tripling across confidentiality, integrity, and availability - all consistent with Oracle's 'takeover' language. … 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 Security Patch Update for August 2026 by consulting the advisory at https://www.oracle.com/security-alerts/cspuaug2026.html; a specific patched release version number was not independently confirmed from the available intelligence, so organizations should follow Oracle's CPU application instructions directly for version 11.2.25.0.000. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all systems running Oracle Hyperion Calculation Manager 11.2.25.0.000, assess their network exposure, and restrict HTTP access to trusted internal networks only using firewall rules or network segmentation. …
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External POC / Exploit Code
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