EUVD-2026-61631
GHSA-8q3f-rh3q-2fj2
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:L
Network-accessible HTTP attack with no authentication required; AC:H reflects undisclosed complexity barrier; I:H justified by full data modification capability; C:L and A:L match partial read and partial DoS impacts; scope unchanged.
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. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hyperion Calculation Manager. 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 read access to a subset of Oracle Hyperion Calculation Manager accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Hyperion Calculation Manager. CVSS 3.1 Base Score 7.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:L).
AnalysisAI
Unauthorized data modification, partial denial of service, and limited data exposure in Oracle Hyperion Calculation Manager 11.2.25.0.000 are achievable by unauthenticated remote attackers over HTTP targeting the Security component. The CVSS 3.1 score of 7.0 reflects high integrity impact - attackers can create, delete, or modify critical EPM data - tempered by high attack complexity (AC:H) that prevents trivial automated exploitation. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Network access via HTTP to the Oracle Hyperion Calculation Manager Security component is required, with no authentication (PR:N) and no user interaction (UI:N) needed per the CVSS vector. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 7.0 captures a meaningful but non-trivial threat: the network attack vector and absence of authentication requirements (PR:N, UI:N) make this theoretically reachable from the internet, but AC:H indicates that exploitation demands overcoming a specific technical barrier - likely a race condition, precise timing window, or undisclosed environmental prerequisite - that prevents opportunistic, automated mass exploitation. … 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, detailed at https://www.oracle.com/security-alerts/cspuaug2026.html. … 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 and document their network connectivity; immediately implement firewall rules or network segmentation to restrict HTTP/HTTPS access to this component to trusted administrative networks only. …
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Same weakness CWE-284 – Improper Access Control
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External POC / Exploit Code
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