EUVD-2026-61905
GHSA-q6h8-qw7c-64fr
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Unauthenticated HTTP reach (AV:N/PR:N) with low complexity, but a legitimate user must interact (UI:R); scope change plus full takeover justify S:C and C/I/A:H.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.org
Vulnerability in the Oracle Hyperion Infrastructure Technology product of Oracle Hyperion (component: Installation and Configuration). The supported version that is affected is 11.2.25.0.000. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hyperion Infrastructure Technology. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Hyperion Infrastructure Technology, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Hyperion Infrastructure Technology. CVSS 3.1 Base Score 9.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H).
AnalysisAI
Full takeover of Oracle Hyperion Infrastructure Technology 11.2.25.0.000 is possible when a remote unauthenticated attacker over HTTP lures an authorized user into interacting with malicious content, exploiting a flaw in the Installation and Configuration component. Because the vulnerability carries a scope change, successful exploitation can extend beyond Hyperion to significantly impact other integrated products, yielding complete confidentiality, integrity, and availability compromise. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires reachability of the Oracle Hyperion Infrastructure Technology Installation and Configuration component over HTTP by an unauthenticated attacker (PR:N), and critically depends on human interaction (UI:R) from a legitimate user other than the attacker - a Hyperion operator/administrator must be induced to click or open attacker-supplied content for the attack to succeed. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H, base 9.6) signals a severe, low-complexity, unauthenticated network issue whose one real gating factor is UI:R - a legitimate user (someone other than the attacker) must perform an action such as clicking a crafted link or opening malicious content. … 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 fix delivered in Oracle's Critical Patch Update (August 2026); this is Patch available per vendor advisory - the source data does not name a discrete fixed build number, so apply the CPU patch that Oracle maps to Hyperion Infrastructure Technology 11.2.25.0.000 as listed at https://www.oracle.com/security-alerts/cspuaug2026.html rather than an invented version string. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, complete an inventory of all Oracle Hyperion Infrastructure Technology 11.2.25.0.000 deployments and alert all authorized users and administrators to the social engineering risk; restrict unauthenticated network access to Hyperion systems where operationally feasible. …
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