Quick answers
- Is CVE-2026-87390 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-87390 being exploited in the wild.
- How severe is CVE-2026-87390?
- Medium severity, with a CVSS score of 5.4, published 20 October 2026.
- Which products and versions are affected?
- Oracle Webcenter Content 12.2.1.4.0, 14.1.2.0.0.
- Is there a fix for CVE-2026-87390?
- 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-2026-87390 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-87390?
- Check whether you run Oracle Webcenter Content 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 easily exploitable vulnerability in the Content Server component that requires network access via HTTP but no authentication. It is a human-interaction vulnerability: successful exploitation requires a user other than the attacker to perform an action (such as clicking a link). An attacker can achieve unauthorized data modification or deletion and cause partial denial of service. The vulnerability exists in WebCenter Content versions 12.2.1.4.0 and 14.1.2.0.0.
Affected products
- Oracle WebCenter Content 12.2.1.4.0, 14.1.2.0.0
Timeline
- 2026-10-20: disclosed