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CVE-2026-61129 – Authentication Bypass – Oracle Commerce Platform 11.4.0

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Summary

CVE-2026-61129 is a critical authentication bypass vulnerability in Oracle Commerce Platform, specifically within the ATG Portals component, affecting version 11.4.0. Rated CVSS 9.8 Critical, it allows unauthenticated remote attackers to fully compromise an exposed Oracle Commerce instance over HTTP, with complete impact on confidentiality, integrity, and availability. The vulnerability was disclosed and patched as part of Oracle’s July 2026 Critical Patch Update, released on July 21, 2026.

Technical details

  • Root cause: Missing authentication controls for a critical function (CWE-306) within the ATG Portals component, allowing requests to be processed without any credential verification.
  • Trigger conditions: No special conditions, prior access, or configuration required; the vulnerable endpoint is reachable over standard HTTP.
  • Attack vector: Network-based, unauthenticated; exploitable by any remote attacker with HTTP access to the target instance. Attack complexity is low and no user interaction is required.
  • Impact: Complete compromise of the Oracle Commerce Platform — attackers can perform unauthorized creation, deletion, or modification of critical data, as well as access all data accessible by the platform, resulting in high impact to confidentiality, integrity, and availability.

Affected software

  • Oracle Commerce Platform 11.4.0 (ATG Portals component)

Severity

  • CVSS v3.1 Base Score: 9.8 (Critical)
  • Vector String: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Mitigation and recommended actions

  • Immediate action: Apply the patch provided in Oracle’s July 2026 Critical Patch Update (released July 21, 2026). Refer to Oracle’s patch availability documentation accessible through the Oracle support portal.
  • Network mitigation (if patching is not immediately possible): Restrict HTTP access to Oracle Commerce Platform instances at the network perimeter. Limit exposure to trusted IP ranges only and ensure internet-facing instances are placed behind a web application firewall with rules blocking unauthenticated access to ATG Portals endpoints.

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)

IONIX uses multi-factor discovery methods, including DNS analysis, certificate mapping, metadata inspection, and more, to automatically map every internet-facing asset across your environment. This includes cloud instances, third-party platforms, shadow IT, and even forgotten infrastructure that traditional tools miss.

2

Monitor for new CVEs

Dozens of threat intel feeds using agentic technology are continuously analyzed to detect the appearance of proof-of-concept code, exploit kits, and indicators of active targeting. IONIX goes further by applying AI to proactively evaluate whether emerging vulnerabilities are likely to be exploited, even before PoCs go public.

3

Identify Potential External Exposures

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

Create Safe, Scalable Exploit Validations

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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Results are routed through integrations with ticketing, SOAR, and SIEM tools. Issues are written in plain language, bundled into remediation clusters, and prioritized based on asset criticality, exploitability, and blast radius. This shortens mean time to remediation (MTTR) and empowers teams to act with confidence.

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  • Mapping of all Assets with this Technology
  • Identification of potentially exposed assets to this CVE
  • Confirmation of verified exploitable assets
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