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CVE-2026-61153 – Unauthenticated Access Control Bypass – Oracle Commerce Guided Search / Experien…

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Summary

CVE-2026-61153 is a critical improper access control vulnerability affecting the Experience Manager component of Oracle Commerce Guided Search / Oracle Commerce Experience Manager version 11.4.0. Disclosed as part of Oracle’s July 2026 Critical Patch Update (released July 21, 2026), the flaw allows unauthenticated, network-based attackers to gain unauthorized read and write access to critical application data via HTTP, with no user interaction required and a CVSS v3.1 score of 9.1.

Technical details

  • Root cause: Improper access control (CWE-284) in the Experience Manager component allows requests to bypass authorization enforcement.
  • Trigger conditions: Exploitation requires only network reachability to the HTTP interface — no credentials or user interaction are needed.
  • Attack vector: Remotely exploitable over HTTP (network-accessible); attack complexity is low.
  • Impact: Successful exploitation enables unauthorized creation, deletion, or modification of critical data, as well as complete unauthorized read access to all data accessible by Oracle Commerce Guided Search / Experience Manager (High Confidentiality impact, High Integrity impact).

Affected software

  • Oracle Commerce Guided Search / Oracle Commerce Experience Manager 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 patches provided by Oracle in the July 2026 Critical Patch Update. Oracle’s CPU contains the official remediation for this vulnerability; refer to the Oracle advisory for specific patch bundle details and installation instructions.
  • Network mitigation (if patching is not immediately feasible): Restrict external network access to Experience Manager authoring and API interfaces via firewall rules or reverse proxy controls, limiting exposure to trusted internal networks only until the patch can be applied.

IONIX Status

The IONIX research team is tracking ongoing exploitation attempts and recommends immediate patching. Potentially affected assets are outlined in this post.

References

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How IONIX’s External Exposure Management Platform Detects and Validates
Zero-Days to Shrink MTTR

1

Map your entire attack surface (continously)

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2

Monitor for new CVEs

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3

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Not all CVEs matter. IONIX filters vulnerabilities by asking attacker-centric questions: Can it be reached from the internet? Does it require authentication? Is it being exploited in the wild? This dramatically reduces noise and focuses teams on threats that can actually be weaponized.

4

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IONIX transforms real-world PoCs into safe, non-intrusive test payloads that can be run in production environments without disruption. These simulations are precisely targeted to the systems that are vulnerable, ensuring rapid validation without unnecessary load.

5

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By combining context about software stack, versioning, exposure status, and reachability, IONIX ensures that only the right payloads are executed against the right assets, maximizing efficiency and minimizing risk.

6

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