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CVE-2026-62611 – Unauthenticated Remote Code Execution via IIOP – Oracle Reports Developer 12.2.1.19

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Summary

CVE-2026-62611 is a critical vulnerability in Oracle Reports Developer, a component of Oracle Fusion Middleware. It resides in the Security and Authentication component and allows an unauthenticated, network-based attacker to compromise the product via the IIOP protocol, resulting in a complete takeover of the affected system. Oracle rates this as CVSS 9.8 (Critical) in its August 2026 Critical Patch Update.

Technical details

  • Root cause: A flaw in the Security and Authentication component of Oracle Reports Developer.
  • Trigger conditions: No authentication or user interaction is required; the attacker only needs network access to the exposed service.
  • Attack vector: Exploitation occurs over the IIOP (Internet Inter-ORB Protocol) network protocol, which Oracle Reports Developer/Fusion Middleware exposes.
  • Impact: Successful exploitation results in complete takeover of Oracle Reports Developer, with high impact to confidentiality, integrity, and availability.

Affected software

  • Oracle Reports Developer, version 12.2.1.19.0 (Oracle Fusion Middleware)

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 fix provided in Oracle’s August 2026 Critical Patch Update (CPU) for Oracle Reports Developer 12.2.1.19.0, as documented in Oracle’s security alert (cspuaug2026).
  • If patching is not immediately possible: Restrict or disable network access to the IIOP listener/port used by Oracle Reports Developer, isolate the service from untrusted networks, and monitor for anomalous IIOP traffic until the patch can be applied.

References

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