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CVE-2026-83234 – Unauthenticated Data Access/Modification – Oracle Commerce Guided Search / Experien

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Summary

CVE-2026-83234 is a high-severity vulnerability in the Experience Manager component of Oracle Commerce Guided Search / Oracle Commerce Experience Manager. Oracle describes it as an easily exploitable flaw that lets an unauthenticated attacker with network access via HTTP compromise the product, resulting in unauthorized access to and modification of application data. The issue carries a CVSS v3.1 base score of 8.2 (High).

Technical details

  • Root cause: A flaw in the Experience Manager component of Oracle Commerce Guided Search / Oracle Commerce Experience Manager that permits unauthorized data operations; Oracle’s advisory does not disclose further implementation-level detail.
  • Trigger conditions: The vulnerability is remotely exploitable without any authentication or user interaction.
  • Attack vector: Network access via HTTP (AV:N), with low attack complexity (AC:L) and no privileges required (PR:N).
  • Impact: Successful exploitation can result in unauthorized access to critical data, or complete access to all data accessible to the application, as well as unauthorized update, insert, or delete access to a subset of that data (High confidentiality impact, Low integrity impact, No availability impact).

Affected software

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

Severity

  • CVSS v3.1 Base Score: 8.2 (High)
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Mitigation and recommended actions

  • Immediate: Apply the fix provided by Oracle for Oracle Commerce Guided Search / Oracle Commerce Experience Manager 11.4.0 as published in Oracle’s Critical Security Patch Update for September 2026.
  • If patching cannot be applied immediately: Restrict network access to Experience Manager interfaces to trusted management networks only, and monitor internet-facing Oracle Commerce deployments for unexpected data access or modification activity until the patch is applied. Oracle strongly recommends that customers apply the fix as soon as possible.

References

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