EUVD-2026-61827
GHSA-q452-wr6r-6pwf
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Low-privilege network account needed via HTTP; full data read and write bypass confirmed; no availability impact per description.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.org
Vulnerability in the Oracle Hyperion Data Relationship Management product of Oracle Hyperion (component: Access and 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 Data Relationship Management. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Hyperion Data Relationship Management accessible data as well as unauthorized access to critical data or complete access to all Oracle Hyperion Data Relationship Management accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).
AnalysisAI
Oracle Hyperion Data Relationship Management 11.2.25.0.000 exposes an access control bypass in its 'Access and security' component that permits low-privileged authenticated users, reachable over HTTP, to gain unauthorized read access to all application data and unauthorized write access enabling creation, deletion, or modification of critical data. Tagged as an Authentication Bypass by the advisory, the flaw delivers CVSS 3.1 High severity (8.1) with combined confidentiality and integrity impact against an enterprise master data management platform. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to possess at minimum a low-privilege user account on the Oracle Hyperion DRM 11.2.25.0.000 application - the attacker must be able to initiate an authenticated HTTP session or leverage the bypass from within an existing low-privilege session. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 8.1 with vector AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N places this in the High severity band, and the combination of low attack complexity and network accessibility over HTTP creates a credible exploitation path for any attacker holding a low-privilege DRM account. … 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, available via Oracle's advisory at https://www.oracle.com/security-alerts/cspuaug2026.html; no exact patched build number beyond the CPU itself is independently confirmed in the available data, so administrators should consult the Oracle CPU documentation directly to identify the correct replacement artifact for version 11.2.25.0.000. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all systems running Hyperion DRM 11.2.25.0.000 and restrict network access to trusted administrators only; simultaneously enable access logging for all database read/write operations. …
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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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