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CVE-2026-61229 – Unauthenticated Full Compromise – Oracle WebCenter Portal 12.2.1.4.0 / 14.1.2.0.0

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Summary

CVE-2026-61229 is a high-severity vulnerability in the Runtime Tools component of Oracle WebCenter Portal (part of Oracle Fusion Middleware) that allows an unauthenticated attacker with network access via HTTP to compromise and take over the affected system. Oracle rates this a difficult-to-exploit issue, but successful exploitation results in complete loss of confidentiality, integrity, and availability, making it a critical concern for internet-facing WebCenter Portal deployments.

Technical details

  • Root cause: A flaw in the Runtime Tools component of Oracle WebCenter Portal that permits an attacker to gain unauthorized access without any credentials.
  • Trigger conditions: Requires network access to the WebCenter Portal HTTP interface; Oracle classifies the attack complexity as high, meaning exploitation likely depends on specific conditions or timing rather than being trivially reproducible.
  • Attack vector: Network (remote), over HTTP — no authentication or user interaction required (PR:N, UI:N).
  • Impact: Oracle states successful exploitation can result in "takeover of Oracle WebCenter Portal," with high impact to confidentiality, integrity, and availability of the affected component.

Affected software

  • Oracle WebCenter Portal 12.2.1.4.0
  • Oracle WebCenter Portal 14.1.2.0.0
  • (Part of Oracle Fusion Middleware; affected component: Runtime Tools)

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 patches for Oracle WebCenter Portal issued in Oracle’s August 2026 Critical Security Patch Update (cspuaug2026). Oracle strongly recommends applying the security patches as soon as possible.
  • If no patch can be applied immediately:
    • Restrict network access to WebCenter Portal to trusted internal networks or VPN only; do not expose the Runtime Tools/HTTP interface directly to the internet.
    • Deploy a web application firewall (WAF) or reverse proxy in front of WebCenter Portal to monitor and restrict anomalous HTTP requests.
    • Review Oracle WebCenter Portal access and audit logs for unusual or unauthenticated requests to Runtime Tools endpoints.
    • Follow Oracle’s standard guidance that this vulnerability may be remotely exploitable without authentication, and prioritize patching internet-facing instances.

References

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