# CVE-2026-73948: Oracle WebCenter Portal privilege escalation in Composer

Source: https://junglewise.ai/threats/cve-2026-73948-oracle-webcenter-portal-privilege-escalation-in-composer  
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-2026-73948 · Severity: critical · CVSS 9.9 · Published 2026-09-15

Oracle WebCenter Portal is a portal and collaboration platform used to build enterprise web applications. A vulnerability in its Composer component allows an authenticated attacker with low privileges to completely compromise the portal and potentially impact other systems on the same network. Successful exploitation grants full administrative control and allows data theft or system disruption.

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

## Quick answers

**Is CVE-2026-73948 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-73948 being exploited in the wild.

**How severe is CVE-2026-73948?** Critical severity, with a CVSS score of 9.9, 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-2026-73948?** 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-2026-73948 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-73948?** 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 privilege escalation vulnerability in the Composer component of Oracle WebCenter Portal affecting versions 12.2.1.4.0 and 14.1.2.0.0. The vulnerability is easily exploitable and requires only network access via HTTP plus low-level user credentials; no complex exploitation steps or user interaction are required. An authenticated attacker can leverage this flaw to achieve full system compromise with impact to confidentiality, integrity, and availability. The scope of impact extends beyond the affected component to other products, indicating potential for lateral movement or cascading failures across infrastructure. Oracle has assigned a CVSS 3.1 score of 9.9 (critical) and patches are expected to be available through normal Oracle security update channels.

## 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)