CVE-2026-83053: Oracle WebCenter Portal privilege escalation in Runtime Tools

CVE-2026-83053 · Severity: high · CVSS 8.8 · Published 2026-09-15

Oracle WebCenter Portal is an enterprise content and collaboration platform used by organizations to share documents and manage team workspaces. A vulnerability in its Runtime Tools component allows an authenticated attacker to gain complete control over the portal, compromising data confidentiality, integrity, and availability of all portal services and content.

Technologies: Oracle WebCenter Portal. Vendors: Oracle.

Quick answers

Is CVE-2026-83053 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-83053 being exploited in the wild.
How severe is CVE-2026-83053?
High severity, with a CVSS score of 8.8, published 15 September 2026.
Which products and versions are affected?
Oracle WebCenter Portal 12.2.1.4.0, 14.1.2.0.0.
Is there a fix for CVE-2026-83053?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-83053 attacked?
It is attacked over the network.
Am I affected by CVE-2026-83053?
Check whether you run Oracle WebCenter Portal at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

This is a low-privileged authentication bypass or privilege escalation vulnerability in the Runtime Tools component of Oracle WebCenter Portal. The flaw is easily exploitable over HTTP by any low-privilege authenticated user without requiring user interaction (UI:N). An attacker with network access can leverage this to escalate privileges and fully compromise the affected system, impacting confidentiality, integrity, and availability. The vulnerability affects versions 12.2.1.4.0 and 14.1.2.0.0; patch status is not confirmed from available sources.

Affected products

  • Oracle WebCenter Portal 12.2.1.4.0, 14.1.2.0.0

Timeline

  • 2026-09-15: disclosed

References

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