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
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. No public exploit identified at time of analysis and it is not in CISA KEV, but the low attack complexity and only a low-privilege authenticated prerequisite make it a strong candidate for prompt patching in Oracle environments.
Technical ContextAI
Oracle Platform Security for Java (OPSS) is the standard security abstraction layer used across Oracle Fusion Middleware and WebLogic deployments, providing authentication, authorization, credential/keystore management, and audit services to Java EE applications. The vulnerable element is the "Centralized Thirdparty Jars" component - the bundled/shared third-party library set OPSS ships and loads - which suggests the root cause is likely a vulnerable or mishandled dependency rather than OPSS's own core logic. Oracle assigned no CWE (CWE: N/A), so the precise weakness class (e.g., deserialization, injection, or a known flaw in a bundled library) cannot be confirmed from the provided data; the CPE cpe:2.3:a:oracle_corporation:oracle_platform_security_for_java:*:*:*:*:*:*:*:* confirms the affected product line without pinning exact library versions.
RemediationAI
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). Because the flaw is network/HTTP reachable and only requires low privileges, compensating controls until patching completes include restricting network access to the OPSS/Fusion Middleware management and application HTTP endpoints to trusted administrative networks only, tightening account provisioning so few low-privilege accounts exist, and placing a WAF/reverse-proxy in front of the affected HTTP listeners to filter anomalous requests. Trade-offs: network restrictions can break legitimate integrations and inter-tier calls, and WAF rules for an unknown-CWE flaw are best-effort and may miss the specific vector - none of these substitute for the CPU patch.
Oracle Java SE 7 Update 6 and earlier contains multiple sandbox bypass vulnerabilities via the ClassFinder and forName m
Remote code execution in IBM Sterling B2B Integrator, Sterling Integrator, and Tivoli Common Reporting allows unauthenti
Java Runtime Environment sandbox bypass via incorrect image channel verification in 2D component allows remote unauthent
Oracle Java SE JDK/JRE 7 and 6 Update 27 and earlier allows remote code execution with complete system compromise throug
JBoss Seam 2 in Red Hat JBoss EAP 4.3.0 fails to sanitize JBoss Expression Language inputs, allowing remote attackers to
Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 update 4 and earlier, 6 up
Multiple vulnerabilities in Oracle Java 7 before Update 11 allow remote attackers to execute arbitrary code by (1) using
Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 2 and earlier, 6 Up
The WLS Security component in Oracle WebLogic Server 10.3.6.0, 12.1.2.0, 12.1.3.0, and 12.2.1.0 allows remote attackers
Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 7 and earlier allow
Remote unauthenticated attackers can execute arbitrary code on Adobe ColdFusion servers through Java deserialization fla
The ExceptionDelegator component in Apache Struts before 2.2.3.1 interprets parameter values as OGNL expressions during
Same weakness CWE-269 – Improper Privilege Management
View allSame technique Privilege Escalation
View allShare
External POC / Exploit Code
Leaving vuln.today
EUVD-2026-47851
GHSA-2xv9-f975-hc73