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CVE-2026-83255 – Remote Code Execution / Full System Compromise – Oracle Commerce Guided Search / Or

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Summary

CVE-2026-83255 is a vulnerability in the Forge component of Oracle Commerce Guided Search / Oracle Commerce Experience Manager, version 11.4.0. It allows an unauthenticated attacker with network (TCP) access to the target environment to achieve complete compromise of the affected system, impacting confidentiality, integrity, and availability. Oracle rates it as HIGH severity (CVSS 8.1) and notes the vulnerability is difficult to exploit, though a successful attack results in full takeover.

Technical details

  • Root cause: A flaw within the Forge component of Oracle Commerce Guided Search / Oracle Commerce Experience Manager.
  • Trigger conditions: Exploitable over a network via TCP without any authentication or user interaction; Oracle classifies the attack complexity as high, indicating exploitation requires specific conditions or preparation.
  • Attack vector: Network (remote, unauthenticated).
  • Impact: Successful exploitation results in complete compromise of the Oracle Commerce Guided Search / Oracle Commerce Experience Manager system, with high impact to confidentiality, integrity, and availability.

Affected software

  • Oracle Commerce Guided Search / Oracle Commerce Experience Manager, version 11.4.0

Severity

  • CVSS v3.1 Base Score: 8.1 (High)
  • Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Mitigation and recommended actions

  • Immediate: Apply the patch for CVE-2026-83255 provided in Oracle’s September 2026 Critical Patch Update (documented under the Oracle Commerce risk matrix, CPU352) for Oracle Commerce Guided Search / Oracle Commerce Experience Manager 11.4.0.
  • If patching cannot be performed immediately: Restrict network access to the Forge component and the Oracle Commerce Guided Search / Experience Manager environment to trusted hosts only, and monitor for unusual TCP connections to the affected service until the patch can be applied.

References

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