EUVD-2026-47849
GHSA-766m-jvf2-r94j
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Network HTTP reachability with low complexity, requiring a low-privileged account (PR:L) and no interaction, yielding full OPSS takeover so C/I/A all High, scope unchanged.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
CVSS:3.1/AV:N/AC:L/PR:L/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 low privileged 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 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
AnalysisAI
Full compromise of Oracle Platform Security for Java (OPSS) in Oracle Fusion Middleware 12.2.1.4.0 and 14.1.2.0.0 is possible by a low-privileged attacker over HTTP, targeting the Centralized Thirdparty Jars component. Oracle rates the flaw 8.8 and describes it as 'easily exploitable,' with successful attacks yielding complete takeover (high confidentiality, integrity, and availability impact). …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires network access to the Oracle Fusion Middleware HTTP interface exposing Oracle Platform Security for Java, plus a low-privileged authenticated foothold (CVSS PR:L) - this is not an unauthenticated flaw. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U) marks this as network-reachable over HTTP, low-complexity, requiring only low privileges and no user interaction - an attractive profile for authenticated attackers or anyone who can obtain a low-level foothold. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker who holds a low-privileged account (or has compromised one) sends crafted HTTP requests to a reachable Oracle Fusion Middleware endpoint backed by OPSS, abusing the Centralized Thirdparty Jars component to escalate to full control of the OPSS subsystem - reading protected credentials and policies and altering security decisions. No user interaction or high privileges are needed, and Oracle characterizes the attack as easily exploitable, though no public POC is identified at time of analysis. |
| Remediation | Apply the fixes delivered in the Oracle Critical Patch Update of July 2026 (https://www.oracle.com/security-alerts/cpujul2026.html) - patch available per vendor advisory; Oracle publishes exact patch/bundle numbers per version within the CPU, so administrators of 12.2.1.4.0 and 14.1.2.0.0 should apply the corresponding OPSS/Fusion Middleware patch for their release (a specific standalone fix version is not independently confirmed outside the CPU). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory systems running Fusion Middleware 12.2.1.4.0 or 14.1.2.0.0 and restrict network access to administrative networks only via firewall rules. …
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External POC / Exploit Code
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