EUVD-2026-47852
GHSA-xrvw-2f36-252m
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vendor states unauthenticated, network HTTP, easily exploitable with full takeover, giving AV:N/AC:L/PR:N/UI:N and C/I/A:H; retained despite the Information Disclosure tag conflict.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
Vulnerability in the Oracle Platform Security for Java product of Oracle Fusion Middleware (component: Centralized Thirdparty Jars). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Platform Security for Java. Successful attacks of this vulnerability can result in takeover of Oracle Platform Security for Java. 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
Full compromise ("takeover") of Oracle Platform Security for Java (OPSS), a core security framework shipped inside Oracle Fusion Middleware, is possible by an unauthenticated remote attacker over HTTP against versions 12.2.1.4.0 and 14.1.2.0.0. Oracle rates this 9.8 with full confidentiality, integrity, and availability loss and describes it as "easily exploitable," so it should be treated as a top-priority patch in the July 2026 Critical Patch Update. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The only prerequisite from the data is network HTTP access to an affected Oracle Platform Security for Java instance (versions 12.2.1.4.0 or 14.1.2.0.0) within Oracle Fusion Middleware - per CVSS AV:N/AC:L/PR:N/UI:N, no authentication, no user interaction, and no special configuration are required, so this is remote unauthenticated exploitation against standard deployments of these versions. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The signals are strongly weighted toward high priority: the CVSS 3.1 vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H (9.8) indicates network-reachable, low-complexity, unauthenticated exploitation with total impact, and Oracle explicitly calls it "easily exploitable" and capable of full "takeover." Counterbalancing this, there is no EPSS score provided, no POC, and no CISA KEV listing, so there is currently no evidence of active or automated exploitation - the urgency is driven by the intrinsic vector, not by observed attacks. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker who can reach an exposed Oracle Fusion Middleware HTTP endpoint sends a crafted request to the OPSS "Centralized Thirdparty Jars" component without any credentials or user interaction, exploiting the flaw to gain full control ("takeover") of the OPSS layer. From there, because OPSS mediates credential stores, keystores, and authorization for the middleware, the attacker can read sensitive secrets and manipulate or disrupt dependent applications. … |
| Remediation | Apply the fixes from the Oracle July 2026 Critical Patch Update (https://www.oracle.com/security-alerts/cpujul2026.html) - patch available per vendor advisory; Oracle CPU patches are cumulative and version-specific per Fusion Middleware release, so apply the OPSS/Fusion Middleware patch corresponding to your 12.2.1.4.0 or 14.1.2.0.0 installation (no standalone fixed version string is published outside the CPU). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: identify and inventory all Oracle Fusion Middleware systems running OPSS 12.2.1.4.0 or 14.1.2.0.0, establish incident response procedures, and activate emergency change approval processes. …
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External POC / Exploit Code
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