EUVD-2026-47851
GHSA-2xv9-f975-hc73
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
HTTP-reachable (AV:N), low complexity (AC:L), requires a low-privilege account (PR:L), no interaction (UI:N); Oracle-described full product takeover yields C:H/I:H/A:H.
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), a security framework within Oracle Fusion Middleware, is possible when a low-privileged attacker reaches the affected instance over HTTP via the Centralized Thirdparty Jars component. Oracle rates the flaw CVSS 3.1 8.8 and describes it as "easily exploitable," resulting in a complete takeover of OPSS with 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 reachability to the OPSS/Fusion Middleware HTTP interface and possession of a low-privilege authenticated account (CVSS PR:L), targeting the Centralized Thirdparty Jars component of Oracle Platform Security for Java versions 12.2.1.4.0 or 14.1.2.0.0. … 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/C:H/I:H/A:H, base 8.8) signals a genuinely high-priority issue: network-reachable over HTTP, low attack complexity, no user interaction, and full triad impact culminating in product takeover. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker who already holds a low-privilege authenticated account (for example, a limited application or console user) sends crafted HTTP requests to the OPSS-backed Fusion Middleware endpoint, abusing the Centralized Thirdparty Jars component to escalate to full control of the OPSS instance. Because attack complexity is low and no user interaction is required, a single reachable session is enough to pivot to reading credentials/keystores, altering security policy, and disrupting service. … |
| Remediation | Apply the fixes from the Oracle Critical Patch Update of July 2026 (https://www.oracle.com/security-alerts/cpujul2026.html), the authoritative source for the patched bundle-patch numbers for OPSS 12.2.1.4.0 and 14.1.2.0.0; Oracle did not publish a discrete semantic fix version in the provided data, so use the CPU-listed patch for your exact Fusion Middleware release (Patch available per vendor advisory). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: identify all Oracle Fusion Middleware instances running OPSS and confirm their versions; implement network-level access restrictions limiting HTTP traffic to OPSS management interfaces to known administrative IP ranges only; enable comprehensive logging of all access to Centralized Thirdparty Jars components. …
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External POC / Exploit Code
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