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CVE-2026-83093 – Unauthenticated Confidential Data Exposure – Oracle Forms 12.2.1.19.0 and 14.1.2.0.

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Summary

CVE-2026-83093 is an improper access control vulnerability (CWE-284) in Oracle Forms, a component of Oracle Fusion Middleware. The flaw resides in the Forms Services component and allows an unauthenticated attacker with network access via HTTP to gain unauthorized access to critical data, affecting both character mode and client/server configurations. Oracle rates the issue 8.6 (High) and disclosed it as part of the September 2026 Critical Patch Update.

Technical details

  • Root cause: Improper access control (CWE-284) within the Oracle Forms Services component.
  • Trigger conditions: No authentication or user interaction is required; the vulnerability is exploitable by any attacker who can reach the Forms Services endpoint over the network.
  • Attack vector: Network-based over HTTP (CVSS AV:N), with low attack complexity (AC:L) and no privileges required (PR:N).
  • Impact: High confidentiality impact only — unauthorized access to critical data. No integrity or availability impact is noted. The CVSS scope is "Changed" (S:C), indicating the vulnerability can affect resources beyond the vulnerable component’s own security scope.

Affected software

  • Oracle Forms 12.2.1.19.0
  • Oracle Forms 14.1.2.0.0

Severity

  • CVSS v3.1 Base Score: 8.6 (High)
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Mitigation and recommended actions

  • Immediate: Apply the Oracle Forms security patches released in the September 2026 Critical Patch Update (Critical Security Patch Update) for affected versions 12.2.1.19.0 and 14.1.2.0.0, as published in Oracle’s official security alert.
  • If immediate patching is not possible: Restrict network access to Oracle Forms Services endpoints (e.g., via firewall rules, VPN, or reverse proxy access controls) so they are not reachable from untrusted networks, and monitor Forms Services access logs for unusual or unauthenticated requests until the patch can be applied.

References

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