# CVE-2026-83034: Oracle WebCenter Sites unauthenticated data access vulnerability

Source: https://junglewise.ai/threats/cve-2026-83034-oracle-webcenter-sites-unauthenticated-data-access-vulnerability  
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-2026-83034 · Severity: high · CVSS 7.5 · Published 2026-09-15

Oracle WebCenter Sites is a content management platform used to publish and manage web content. An unauthenticated attacker with network access can exploit an easily exploitable vulnerability to gain unauthorized access to all critical data stored in WebCenter Sites, potentially exposing sensitive business content and customer information without requiring any login credentials.

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

## Quick answers

**Is CVE-2026-83034 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-83034 being exploited in the wild.

**How severe is CVE-2026-83034?** High severity, with a CVSS score of 7.5, published 15 September 2026.

**Which products and versions are affected?** Oracle WebCenter Sites 12.2.1.4.0, 14.1.2.0.0.

**Is there a fix for CVE-2026-83034?** 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-2026-83034 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-83034?** Check whether you run Oracle WebCenter Sites 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 unauthenticated vulnerability in Oracle WebCenter Sites allows an attacker with network access via HTTP to bypass authentication controls and access confidential data. The vulnerability affects supported versions 12.2.1.4.0 and 14.1.2.0.0. Successful exploitation grants complete unauthorized access to all data accessible through the WebCenter Sites platform, with no user interaction or special privileges required. The attack vector is network-based with low attack complexity, making exploitation straightforward.

## Affected products

- Oracle WebCenter Sites 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 Sites unauthenticated data access](https://junglewise.ai/threats/cve-2026-91552-vulnerability-in-the-oracle-webcenter-sites-product-of-oracle)
- [Oracle WebCenter Sites unauthorized data access via HTTP](https://junglewise.ai/threats/cve-2026-91542-vulnerability-in-the-oracle-webcenter-sites-product-of-oracle)
- [Oracle WebCenter Sites unauthorized data access vulnerability](https://junglewise.ai/threats/cve-2026-91240-vulnerability-in-the-oracle-webcenter-sites-product-of-oracle)
- [Oracle WebCenter Sites remote code execution](https://junglewise.ai/threats/cve-2026-101499-vulnerability-in-the-oracle-webcenter-sites-product-of-oracle)
- [Oracle WebCenter Sites remote code execution](https://junglewise.ai/threats/cve-2026-83037-oracle-webcenter-sites-remote-code-execution)