EUVD-2026-61329
GHSA-9262-gfmp-rvr2
Severity by source
AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Network HTTP reach with low complexity and only a low-privileged account (PR:L), no user interaction, and a scope change yielding full CIA takeover across products.
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. While the vulnerability is in Oracle Hyperion Calculation Manager, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Hyperion Calculation Manager. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).
AnalysisAI
Privilege-escalating account takeover in Oracle Hyperion Calculation Manager 11.2.25.0.000 (Security component) lets a low-privileged, network-adjacent attacker send crafted HTTP requests that fully compromise the product and, because of a CVSS scope change, spill impact into additional connected Oracle Hyperion products. Oracle rates it CVSS 3.1 9.9 with full confidentiality, integrity, and availability loss; it was disclosed in Oracle's August 2026 Critical Patch Update. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires network access to the Calculation Manager HTTP interface plus a valid low-privileged account (CVSS PR:L) - it is not unauthenticated. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The signals point to genuinely high priority: the CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H, 9.9) describes an easily exploitable, low-complexity, network-reachable attack needing only a low-privileged account, with full CIA impact and cross-product scope change - the near-maximum score is driven largely by that scope change and the low bar to entry. … 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 delivered in Oracle's August 2026 Critical Patch Update (https://www.oracle.com/security-alerts/cspuaug2026.html); this is a patch available per vendor advisory, though the input does not specify an exact patched build number beyond the affected 11.2.25.0.000 release, so confirm the precise patch level in the CPU matrix before deploying. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Identify all Oracle Hyperion Calculation Manager 11.2.25.0.000 instances in your environment and immediately restrict network access to authorized administrative and trusted users only; disable external access if operationally feasible. …
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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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