# CVE-2026-73953: Oracle WebCenter Portal remote code execution in Portlet Services

Source: https://junglewise.ai/threats/cve-2026-73953-oracle-webcenter-portal-remote-code-execution-in-portlet-services  
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-2026-73953 · Severity: critical · CVSS 9.8 · Published 2026-09-15

Oracle WebCenter Portal is an enterprise portal platform used to build collaborative applications and manage enterprise content. An unauthenticated attacker can remotely compromise the entire portal system via a network-based exploit without requiring valid credentials or user interaction, potentially gaining full control over the application, its data, and operations.

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

## Quick answers

**Is CVE-2026-73953 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-73953 being exploited in the wild.

**How severe is CVE-2026-73953?** Critical severity, with a CVSS score of 9.8, 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-2026-73953?** 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-2026-73953 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-73953?** 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 vulnerability in the Portlet Services component of Oracle WebCenter Portal is easily exploitable and allows an unauthenticated attacker with network access via HTTP to achieve complete compromise. The vulnerability can be exploited without any authentication, user interaction, or complex conditions (CVSS AV:N, AC:L, PR:N, UI:N). Successful exploitation results in complete takeover of the affected WebCenter Portal system with impacts to confidentiality, integrity, and availability. Affected versions include 12.2.1.4.0 and 14.1.2.0.0; patches are expected to be available through Oracle's security updates.

## 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)