EUVD-2026-61537
GHSA-q758-pr64-x7hr
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description confirms unauthenticated HTTP-reachable takeover with no user interaction, so AV:N/AC:L/PR:N/UI:N; full component compromise gives C:H/I:H/A:H with unchanged scope.
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 of this vulnerability can result in takeover of Oracle Hyperion Infrastructure Technology. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
AnalysisAI
Complete takeover of Oracle Hyperion Infrastructure Technology 11.2.25.0.000 is possible for a remote, unauthenticated attacker sending crafted HTTP requests to the Installation and Configuration component. The flaw carries a CVSS 3.1 base score of 9.8 with full confidentiality, integrity, and availability impact, and 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 | Per the CVSS vector (AV:N/AC:L/PR:N/UI:N), no special conditions are required beyond HTTP network access - remote unauthenticated exploitation against the affected default deployment of Oracle Hyperion Infrastructure Technology 11.2.25.0.000, with no credentials and no user interaction needed. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | All available severity signals point the same direction and high: the CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, 9.8) describes network-reachable, low-complexity, unauthenticated exploitation with no user interaction and total impact - essentially worst-case for an internet- or intranet-exposed service. … 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 from the Oracle August 2026 Critical Patch Update, which is the authoritative source for the patched release; the input confirms a patch is available per the vendor advisory but does not specify an exact fixed build number, so consult https://www.oracle.com/security-alerts/cspuaug2026.html for the precise patch/interim patch that supersedes 11.2.25.0.000 and apply it during your next emergency maintenance window. … 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, classify by business criticality, and implement firewall rules to restrict network access to the Installation and Configuration component to authorized administrative subnets only. …
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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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