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CVE-2026-82995 – Unauthenticated RCE via SOAP – Oracle Platform Security for Java 12.2.1.4.0 / 14.1.

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Summary

CVE-2026-82995 is a critical, remotely exploitable vulnerability in the Centralized Thirdparty Jars component of Oracle Platform Security for Java (OPSS), part of Oracle Fusion Middleware. An unauthenticated attacker with network access via SOAP can fully compromise the affected component, resulting in complete loss of confidentiality, integrity, and availability. Oracle has rated this issue as CRITICAL with a CVSS v3.1 base score of 9.8.

Technical details

  • Root cause: The flaw resides in the Centralized Thirdparty Jars component of Oracle Platform Security for Java.
  • Trigger conditions: The vulnerability is exploitable without authentication and without any user interaction.
  • Attack vector: Network-based exploitation via the SOAP protocol.
  • Impact: Successful exploitation can lead to complete takeover ("compromise") of Oracle Platform Security for Java, with high impact to confidentiality, integrity, and availability.

Affected software

  • Oracle Platform Security for Java (Oracle Fusion Middleware) version 12.2.1.4.0
  • Oracle Platform Security for Java (Oracle Fusion Middleware) version 14.1.2.0.0

Severity

  • CVSS v3.1 Base Score: 9.8 (Critical)
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Mitigation and recommended actions

  • Immediate: Apply the patches provided in Oracle’s September 2026 Critical Security Patch Update (CSPU) for the affected Oracle Platform Security for Java versions (12.2.1.4.0 and 14.1.2.0.0).
  • If patching cannot be applied immediately: Restrict network access to SOAP endpoints exposed by affected Oracle Fusion Middleware deployments to trusted hosts/networks only, and monitor for anomalous SOAP requests to Oracle Platform Security for Java interfaces until the patch can be deployed.

References

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