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CVE-2026-83025 – Unauthenticated Data Tampering & Disclosure – Oracle Identity Manager Connector 12.

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Summary

CVE-2026-83025 is a high-severity vulnerability (CVSS 3.1 base score 8.7) in the Oracle Identity Manager Connector component of Oracle Fusion Middleware. It allows an unauthenticated, remote attacker with network access via TCP to compromise the Connector and, due to a scope change, to affect additional Oracle products, resulting in unauthorized creation, deletion, or modification of critical data as well as unauthorized disclosure of that data. Oracle rates it a difficult-to-exploit vulnerability, but no authentication or user interaction is required.

Technical details

  • Root cause: A flaw in the Core component of Oracle Identity Manager Connector permits unauthorized manipulation and disclosure of data accessible to the Connector; Oracle has not published exploit-chain specifics beyond the CVSS vector and problem-type description.
  • Trigger conditions: Exploitation requires only network access to the vulnerable service over TCP — no credentials or victim interaction are needed. Oracle classifies attack complexity as "High," indicating the attacker must satisfy specific conditions or timing to succeed reliably.
  • Attack vector: Network (AV:N) — the flaw is remotely reachable without prior authentication (PR:N) and without user interaction (UI:N).
  • Scope: Changed (S:C) — successful exploitation can impact resources or components beyond the vulnerable Connector itself, meaning the blast radius may extend to other Oracle Fusion Middleware products that share access with Oracle Identity Manager Connector.
  • Impact: High confidentiality impact and high integrity impact (unauthorized read/write/delete of critical data); no availability impact is reported (A:N).

Affected software

  • Oracle Identity Manager Connector 12.2.1.4.0
  • Oracle Identity Manager Connector 14.1.2.1.0

(Component: Oracle Fusion Middleware — Oracle Identity Manager Connector, Core)

Severity

  • CVSS v3.1 Base Score: 8.7 (High)
  • Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

Mitigation and recommended actions

  • Immediate: Apply the Oracle-released patches for Oracle Identity Manager Connector 12.2.1.4.0 and 14.1.2.1.0 as published in Oracle’s September 2026 Critical Patch Update / Security Alert advisory. Oracle strongly recommends applying the fixes without delay, as Oracle does not provide security patches for de-supported product versions.
  • If immediate patching is not possible: Restrict and monitor network access (TCP) to Oracle Identity Manager Connector interfaces from untrusted networks, limiting exposure to only trusted management/administrative segments until the patch can be applied. Review logs for anomalous unauthenticated requests to Identity Manager Connector services.
  • Follow-up: Since Scope is Changed, review other Oracle Fusion Middleware components that integrate with Oracle Identity Manager Connector for signs of downstream impact after exploitation attempts.

References

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