EUVD-2026-61518
GHSA-8fqc-3f4q-xrvc
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Network-accessible HTTP service, no auth required, but AC:H reflects unspecified triggering conditions; full C/I/A consistent with described takeover impact.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.org
Vulnerability in the Oracle Hyperion Infrastructure Technology product of Oracle Hyperion (component: Common Events). 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 Infrastructure Technology. Successful attacks of this vulnerability can result in takeover of Oracle Hyperion Infrastructure Technology. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).
AnalysisAI
Full takeover of Oracle Hyperion Infrastructure Technology 11.2.25.0.000 is achievable by a remote unauthenticated attacker via HTTP, exploiting the Common Events component. The CVSS vector confirms no authentication or user interaction is required, though high attack complexity (AC:H) indicates exploitation is not trivial and likely requires specific timing, configuration state, or precise request crafting. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must have network access to the Oracle Hyperion Infrastructure Technology HTTP service, which in many enterprise EPM deployments is an internal-facing server not exposed to the public internet - this significantly limits the realistic attack surface to internal threat actors or attackers who have already achieved a foothold on the internal network. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 8.1 with AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H reflects a severe but not trivially exploitable flaw. … 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 (CSPU), available at https://www.oracle.com/security-alerts/cspuaug2026.html, which addresses this vulnerability in Oracle Hyperion Infrastructure Technology 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 Infrastructure Technology 11.2.25.0.000 in your environment and assess network exposure, particularly HTTP access from untrusted networks. …
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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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