# CVE-2026-83040: Oracle WebCenter Portal RCE in Portlet Services via SOAP

Source: https://junglewise.ai/threats/cve-2026-83040-oracle-webcenter-portal-rce-in-portlet-services-via-soap  
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-2026-83040 · Severity: critical · CVSS 9.6 · Published 2026-09-15

Oracle WebCenter Portal is an enterprise portal platform used to build collaborative business applications. An unauthenticated attacker can exploit a vulnerability in the Portlet Services component via SOAP protocol to gain full control of the portal system, potentially compromising sensitive business data, disrupting operations, and affecting downstream applications that depend on it.

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

## Quick answers

**Is CVE-2026-83040 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-83040 being exploited in the wild.

**How severe is CVE-2026-83040?** Critical severity, with a CVSS score of 9.6, 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-2026-83040?** 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-2026-83040 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-83040?** 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 network-accessible vulnerability in the Portlet Services component of Oracle WebCenter Portal, exploitable via SOAP without authentication. The vulnerability requires human interaction from a user other than the attacker to trigger the exploit, indicating a social engineering or phishing vector may be involved. Successful exploitation results in complete takeover of the affected Oracle WebCenter Portal instance with high confidentiality, integrity, and availability impact. Affected versions are 12.2.1.4.0 and 14.1.2.0.0; patch availability should be confirmed through Oracle's security advisories.

## 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)