EUVD-2026-61640
GHSA-vj23-v7q4-ch22
Severity by source
AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N
AV:L confirmed by 'logon to infrastructure' description; PR:N reflects auth bypass requiring no credentials; S:C and I:L match stated scope propagation and partial write impact.
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 logon to the infrastructure where Oracle Hyperion Calculation Manager executes 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 unauthorized access to critical data or complete access to all Oracle Hyperion Calculation Manager accessible data as well as unauthorized update, insert or delete access to some of Oracle Hyperion Calculation Manager accessible data. CVSS 3.1 Base Score 7.9 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N).
AnalysisAI
Local authentication bypass in Oracle Hyperion Calculation Manager 11.2.25.0.000 enables unauthenticated local attackers to access critical application data and perform limited data modification, with a confirmed scope change that can propagate impact to additional co-deployed Oracle Hyperion products. The CVSS 3.1 vector (AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N) classifies this as easily exploitable once local infrastructure access is obtained, requiring no application credentials. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an established local logon session on the operating system hosting Oracle Hyperion Calculation Manager 11.2.25.0.000 - this includes physical console access, RDP/VDI sessions, SSH, or any equivalent mechanism that places the attacker on the host. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 7.9 (High) is substantively justified by the scope change and high confidentiality impact, but real-world risk is tempered by the AV:L constraint - only attackers who can establish a local session on the Hyperion server are positioned to exploit this. … 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 Patch Update, detailed in the advisory at https://www.oracle.com/security-alerts/cspuaug2026.html, which addresses the Security component of Oracle Hyperion Calculation Manager 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 and document their network location, data sensitivity, and co-deployed Hyperion products. …
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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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