# CVE-2026-83047: Oracle WebCenter Portal authentication bypass via HTTP

Source: https://junglewise.ai/threats/cve-2026-83047-oracle-webcenter-portal-authentication-bypass-via-http  
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-2026-83047 · Severity: high · CVSS 8.2 · Published 2026-09-15

Oracle WebCenter Portal is a component of Oracle Fusion Middleware used to build enterprise web portals and collaborate on content. An unauthenticated attacker can exploit this vulnerability over the network to bypass authentication and gain unauthorized access to sensitive data stored in the portal, as well as modify or delete data. The vulnerability requires no user interaction and can be exploited by any attacker with network access.

Technologies: [Oracle WebCenter Portal](https://junglewise.ai/threats/technologies/webcenter-portal). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-83047 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-83047 being exploited in the wild.

**How severe is CVE-2026-83047?** High severity, with a CVSS score of 8.2, 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-2026-83047?** 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-2026-83047 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-83047?** 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 an authentication bypass vulnerability in the Runtime Tools component of Oracle WebCenter Portal affecting versions 12.2.1.4.0 and 14.1.2.0.0. The vulnerability is easily exploitable and can be triggered via HTTP by an unauthenticated remote attacker without requiring any user interaction. Successful exploitation allows an attacker to access critical data and perform unauthorized create, read, update, and delete operations on WebCenter Portal accessible data. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N) indicates a network-based attack with no access control or user interaction required.

## 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)