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CVE-2026-83000 – Unauthenticated RCE – Oracle Service Delivery Platform 12.2.1.4.0 / 14.1.2.0.0

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Summary

CVE-2026-83000 is a critical vulnerability in the Messaging Enabler component of Oracle Fusion Middleware’s Service Delivery Platform. It allows an unauthenticated attacker with network access via HTTP to fully compromise the platform, with high impact to confidentiality, integrity, and availability. The flaw carries a CVSS v3.1 base score of 9.8 (Critical).

Technical details

  • Root cause: The vulnerability resides in the Messaging Enabler component of Oracle Service Delivery Platform, which is reachable over HTTP.
  • Trigger conditions: No authentication or user interaction is required; an attacker only needs network-level access to the exposed Messaging Enabler HTTP interface.
  • Attack vector: Network (remote), with low attack complexity and no privileges required.
  • Impact: Successful exploitation can result in complete compromise of the Service Delivery Platform, with high impact to confidentiality, integrity, and availability of the underlying system.

Affected software

  • Oracle Service Delivery Platform 12.2.1.4.0
  • Oracle Service Delivery Platform 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 Oracle Security Alert patch released September 15, 2026 (Oracle Critical Security Patch Update, September 2026) for affected Service Delivery Platform versions 12.2.1.4.0 and 14.1.2.0.0.
  • If patching cannot be applied immediately: Restrict network access to the Service Delivery Platform Messaging Enabler HTTP interface, limiting exposure to trusted internal networks only, and monitor for anomalous HTTP requests to this component until the patch can be deployed.

References

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