Summary
CVE-2026-62639 is a critical vulnerability in Oracle Reports Developer (part of Oracle Fusion Middleware) affecting the Security and Authentication component. The flaw allows an unauthenticated, remote attacker with network access via the CORBA protocol to fully compromise the affected system, resulting in complete loss of confidentiality, integrity, and availability. Oracle disclosed the issue in its August 2026 Critical Security 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 to exploit the vulnerability.
- Attack vector: Network-based, exploited via the CORBA protocol exposed by Oracle Reports Developer.
- Impact: Successful exploitation results in complete takeover ("compromise") of Oracle Reports Developer, with full impact to confidentiality, integrity, and availability.
Affected software
- Oracle Reports Developer version 14.1.2.0.0 (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 Security Patch Update (CSPU) for Oracle Reports Developer 14.1.2.0.0. Organizations should confirm they are running a patched build after applying the update.
- If immediate patching is not possible: Restrict network access to the CORBA interface/ports used by Oracle Reports Developer so that only trusted internal hosts can reach the service, and remove any unnecessary internet exposure of Oracle Reports Developer instances until the patch is applied.
How IONIX identifies potentially affected assets
IONIX matches the following signal against data already collected when it crawled the asset; identifying the technology sends no request beyond that crawl.
- Raw response body:
href="/reports/rwservlet"

