Summary
CVE-2026-71036 is a critical, easily exploitable vulnerability in Oracle Commerce Guided Search / Oracle Commerce Experience Manager that allows an unauthenticated attacker with network access via HTTP to compromise the application. Successful exploitation permits unauthorized creation, deletion, or modification of critical data, as well as unauthorized access to all data accessible to the application. Oracle rates this vulnerability 9.1 (Critical) on the CVSS v3.1 scale.
Technical details
- Attack vector: network, over HTTP — no local or adjacent access required
- Access complexity: low; no authentication or privileges required to exploit
- No user interaction is necessary to trigger the vulnerability
- Impact: high confidentiality and high integrity impact (unauthorized data access, creation, deletion, and modification); no impact to availability
- Oracle’s own record indicates the vulnerability can lead to complete compromise of critical data within the affected component
Affected software
- Oracle Commerce Guided Search / Oracle Commerce Experience Manager, version 11.4.0
Severity
- CVSS v3.1 Base Score: 9.1 (Critical)
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Mitigation and recommended actions
- Immediate: Apply the fix provided in Oracle’s Critical Patch Update for August 2026, which addresses CVE-2026-71036 for Oracle Commerce Guided Search / Oracle Commerce Experience Manager 11.4.0. Consult the official Oracle Critical Patch Update advisory for the exact patch identifiers applicable to your deployment.
- If immediate patching is not possible, restrict network exposure of the Oracle Commerce Guided Search / Experience Manager endpoints (e.g., place behind a firewall, VPN, or WAF, and limit access to trusted networks) until the patch can be applied.
- Review logs for unusual or unauthenticated HTTP requests to the Guided Search / Experience Manager components as part of ongoing monitoring.
How IONIX identifies potentially affected assets
IONIX matches the following signals against data already collected when it crawled the asset; identifying the technology sends no request beyond that crawl.
- Named response header
x-atg-version: value matchingATGPlatform/followed by a version number - Raw response body: presence of an element attribute containing
_dyncharset

