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

Source: https://junglewise.ai/threats/cve-2026-83053-oracle-webcenter-portal-privilege-escalation-in-runtime-tools  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-15. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

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](https://junglewise.ai/threats/technologies/webcenter-portal). Vendors: [Oracle](https://junglewise.ai/threats/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

- [https://www.oracle.com/security-alerts/cspusep2026.html](https://www.oracle.com/security-alerts/cspusep2026.html)

## Related threats

- [Oracle WebCenter Portal information disclosure in Runtime Tools](https://junglewise.ai/threats/cve-2026-91248-vulnerability-in-the-oracle-webcenter-portal-product-of-oracle)
- [Oracle WebCenter Portal authorization bypass in Runtime Tools](https://junglewise.ai/threats/cve-2026-91247-vulnerability-in-the-oracle-webcenter-portal-product-of-oracle)
- [Oracle WebCenter Portal cross-site request forgery in Runtime Tools](https://junglewise.ai/threats/cve-2026-91246-vulnerability-in-the-oracle-webcenter-portal-product-of-oracle)
- [Oracle WebCenter Portal information disclosure in Runtime Tools](https://junglewise.ai/threats/cve-2026-91245-vulnerability-in-the-oracle-webcenter-portal-product-of-oracle)
- [Oracle WebCenter Portal compromise via adjacent network access](https://junglewise.ai/threats/cve-2026-83065-oracle-webcenter-portal-compromise-via-adjacent-network-access)