Quick answers
- Is CVE-2026-73963 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-73963 being exploited in the wild.
- How severe is CVE-2026-73963?
- 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-2026-73963?
- 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-2026-73963 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-73963?
- 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 Oracle WebCenter Portal's Portlet Services component is easily exploitable and requires only network access via HTTP. An unauthenticated attacker can exploit this flaw to achieve complete compromise of the Oracle WebCenter Portal instance, resulting in full takeover with impacts to confidentiality, integrity, and availability. The attack vector is network-based with no privilege escalation or user interaction required. Patches are expected to be available through Oracle's official security updates.
Affected products
- Oracle WebCenter Portal 12.2.1.4.0, 14.1.2.0.0
Timeline
- 2026-09-15: disclosed