# CVE-2026-83041: Oracle WebCenter Portal unauthorized data access in Portlet Services

Source: https://junglewise.ai/threats/cve-2026-83041-oracle-webcenter-portal-unauthorized-data-access-in-portlet  
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-2026-83041 · Severity: high · CVSS 7.7 · Published 2026-09-15

Oracle WebCenter Portal is a component of Oracle Fusion Middleware used to build enterprise portals and collaboration applications. A vulnerability in its Portlet Services component allows a low-privileged attacker to gain unauthorized access to sensitive data through network-based attacks. Successful exploitation could result in exposure of critical business information stored within the portal and related systems.

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

## Quick answers

**Is CVE-2026-83041 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-83041 being exploited in the wild.

**How severe is CVE-2026-83041?** High severity, with a CVSS score of 7.7, 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-2026-83041?** 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-2026-83041 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-83041?** 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 authorization bypass vulnerability in the Portlet Services component of Oracle WebCenter Portal. The vulnerability is easily exploitable and requires only low-privilege network access over HTTP, with no user interaction needed. An authenticated attacker can leverage this flaw to access data they should not be authorized to view, potentially affecting confidentiality across multiple Oracle products due to a scope change. The vulnerability affects versions 12.2.1.4.0 and 14.1.2.0.0; patch availability through Oracle's standard security updates is expected.

## 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)